» dr hab. Łukasz Kaczmarek

2024

  • Nagwani A. K., Melosik I., Kaczmarek Ł., Kmita H. 2023. Recovery from anhydrobiosis in the tardigrade Paramacrobiotus experimentalis: Better to be young than old and in a group than alone. Heliyon 10(5):e26807. https://doi.org/10.1016/j.heliyon.2024.e26807.
  • Kayastha P., Wieczorkiewicz F., Pujol M., Robinson A., Michalak M., Kaczmarek Ł., Poprawa I. 2024. Elevated external temperature affects cell ultrastructure and heat shock proteins (HSPs) in Paramacrobiotus experimentalis Kaczmarek, Mioduchowska, Poprawa, & Roszkowska, 2020. Scientific  Reports 14(1): 5097. https://doi.org/10.1038/s41598-024-55295-z
  • Wilanowska P. A., Rzymski P., Kaczmarek Ł. 2024. Long-Term Survivability of Tardigrade Paramacrobiotus experimentalis (Eutardigrada) at Increased Magnesium Perchlorate Levels: Implications for Astrobiological Research. Life 14(3):335. https://doi.org/10.3390/life14030335
  • Bartylak T., Kayastha P., Polishchuk A., Roszkowska M., Bartylak M. M., Rutkowski T., Zacharyasiewicz M., Kaczmarek Ł. Terrestrial Tardigrada (Water Bears) of the Słowiński National Park (Northern Poland). Diversity 16(4):239. https://doi.org/10.3390/d16040239
  • Wilanowska P. A., Rzymski P., Kaczmarek Ł.  2024. Correction: Wilanowska et al. Long-Term Survivability of Tardigrade Paramacrobiotus experimentalis (Eutardigrada) at Increased Magnesium Perchlorate Levels: Implications for Astrobiological Research. Life 2024, 14, 335. Life 14(5):573. https://doi.org/10.3390/life14050573
  • Erdmann W., Kosicki J. Z., Kayastha P., Mioduchowska M., Kaczmarek, Ł. 2024. An integrative description of Mesobiotus mandalori sp. nov. (Eutardigrada, Macrobiotoidea) from Poland. The European Zoological Journal 91(1): 378–394. https://doi.org/10.1080/24750263.2024.2341884
  • Michalczyk Ł., Gąsiorek P., Szklarzewicz T., Kaczmarek Ł., Poprawa I. 2024. Professor Barbara Węglarska (1922–2020). Zoological Journal of the Linnean Society 200(1): 12–17. https://doi.org/10.1093/zoolinnean/zlad181

2023

  • Roszkowska M., Gołdyn B., Wojciechowska D., Książkiewicz Z., Fiałkowska E., Pluskota M., Kmita H. Kaczmarek Ł. 2023. How long can tardigrades survive in the anhydrobiotic state? A search for tardigrade anhydrobiosis patterns. PLOS ONE 18(1): e0270386. https://doi.org/10.1371/journal.pone.0270386
  • Kayastha P., Mioduchowska M., Gawlak M., Sługocki Ł., Araújo R., Silva J. J. G., Kaczmarek Ł. 2023. Integrative description of Macrobiotus kosmali sp. nov. (hufelandi group) from the Island of Madeira (Portugal). The European Zoological Journal 90(1): 126–138. https://doi.org/10.1080/24750263.2022.2163312 
  • Kayastha P., Stec D., Sługocki Ł., Gawlak M., Mioduchowska M., Kaczmarek Ł. Integrative taxonomy reveals new, widely distributed tardigrade species of the genus Paramacrobiotus (Eutardigrada: Macrobiotidae). Scientific Reports 13(1):2196. https://doi.org/10.1038/s41598-023-28714-w
  • Kaczmarek Ł., Rutkowski T., Zacharyasiewicz M., Surmacki A., Osiejuk T. S., Kayastha P. 2023. New Species of Macrobiotidae (Eutardigrada) from Cameroon (Africa), Characteristics of Macrobiotus Morpho-Groups and a Key to the Nelsonae Group. Annales Zoologici 73(1): 1-15. https://doi.org/10.3161/00034541ANZ2023.73.1.001
  • Floriančičová K. N., Baltzis A., Smejkal J., Czernekova M., Kaczmarek Ł., Maly J., Noterdame C., Vinopal S. 2023. Phylogenetic and functional characterization of water bears (Tardigrada) tubulins. Scientific Reports 13(1): 5194. https://doi.org/10.1038/s41598-023-31992-z
  • Polishchuk A., Kayastha P., Kovalenko P., Parnikoza I., Kaczmarek Ł. 2023. New Records of Tardigrades from the Danco and Graham Coasts, the Maritime Antarctic. Annales Zoologici 73(1): 17-28. https://doi.org/10.3161/00034541ANZ2023.73.1.002
  • Nagwani A. K., Melosik I., Kaczmarek Ł., Kmita H. 2023. Recovery from anhydrobiosis in the tardigrade Paramacrobiotus experimentalis: better to be young than old and in a group than alone. bioRxiv https://doi.org/10.1101/2023.05.22.541721
  • Mioduchowska M., Konecka E., Gołdyn B., Pinceel T., Brendonck L., Lukić D., Kaczmarek Ł., Namiotko T., Zając K., Zając T., Jastrzębski J. P., Bartoszek K. 2023. Playing Peekaboo with a Master Manipulator: Metagenetic Detection and Phylogenetic Analysis of Wolbachia Supergroups in Freshwater Invertebrates. International Journal of Molecular Sciences 24(11): 9400. https://doi.org/10.3390/ijms24119400
  • Krakowiak M., Bartylak T., Kmita H., Kaczmarek Ł., Nawrot R. Tardigrade proteins: molecular tools in the phenomenon of anhydrobiosis. Zoological Journal of the Linnean Society 200(1): 269–281. https://doi.org/10.1093/zoolinnean/zlad066
  • Kayastha P., Rzymski P., Gołdyn B., Nagwani A. K., Fiałkowska E., Pajdak-Stós A., Sobkowiak R., Robotnikowski G., Kaczmarek Ł. 2023. Tolerance against exposure to solution of magnesium perchlorate in microinvertebrates. Zoological Journal of the Linnean Society 200(1): 239–257. https://doi.org/10.1093/zoolinnean/zlad060
  • Kayastha P., Mioduchowska M., Warguła J., Kaczmarek Ł. 2023. A Review on the Genus Paramacrobiotus (Tardigrada) with a New Diagnostic Key. Diversity 15(9):977. https://doi.org/10.3390/d15090977
  • Kaczmarek Ł., Fontaneto D., Nelson D. R., Budka A., Łacka A., Bartylak T., Rzymski P. How temperature affects the body size of terrestrial tardigrades, Zoological Journal of the Linnean Society 200(1): 144–155, https://doi.org/10.1093/zoolinnean/zlad098
  • Nagwani A. K., Budka A., Łacka A., Kaczmarek Ł., Kmita H. 2023. The effect of hypomagnetic field on survival and mitochondrial functionality of active Paramacrobiotus experimentalis females and males of different age. Frontiers in Physiology 14:1253483. 10.3389/fphys.2023.1253483
  • Vincenzi J., Cesari M., Kaczmarek Ł., Roszkowska M., Mioduchowska M., Rebecchi L., Kiosya Y., Guidetti R. 2023. The xerophilic genera Xerobiotus and Pseudohexapodibius (Macrobiotidae; Tardigrada): biodiversity, biogeography and phylogeny. Zoological Journal of the Linnean Society 200(1): 111–141. https://doi.org/10.1093/zoolinnean/zlad129
  • Kayastha P., Szydło W., Mioduchowska M., Kaczmarek Ł. 2023. Morphological and genetic variability in cosmopolitan tardigrade species—Paramacrobiotus fairbanksi Schill, Förster, Dandekar & Wolf, 2010. Scientific Reports 13:17672. https://doi.org/10.1038/s41598-023-42653-6
  • Guidetti R., Jönsson K. I., Kaczmarek Ł., Meier T., Speed J. D. M., Prestø T., Stur E., Topstad L., Cesari M., Roszkowska M., Zawierucha K., Hassel K., Ekrem T. 2023. Tardigrade diversity and community composition across Norwegian boreal forests, Zoological Journal of the Linnean Society 200(1): 156–171, https://doi.org/10.1093/zoolinnean/zlad136
  • Bartels P. J., Coffey D. C., Pineau M., Kaczmarek Ł., Nelson D. R. 2023. An exploration of autofluorescence in tardigrades (phylum Tardigrada). Zoological Journal of the Linnean Society 200(1): 200–217, https://doi.org/10.1093/zoolinnean/zlad045

2022

  • Rzymski P., Poniedziałek B. Hippmann N., Kaczmarek Ł. 2022. Screening the Survival of Cyanobacteria Under Perchlorate Stress. Potential Implications for Mars In Situ Resource Utilization. Astrobiology 22(6). https://doi.org/10.1089/ast.2021.0100
  •  Michalczyk Ł., Kaczmarek Ł., McInnes S. J. 2022. Monograph Annotated zoogeography of non-marine Tardigrada. Part V: Australasia. Zootaxa 5107(1):1-119. 10.11646/ZOOTAXA.5107.1.1
  • Poprawa I., Bartylak T., Kulpla A., Erdmann W., Roszkowska M., Chajec Ł., Kaczmarek Ł., Karachitos A., Kmita H. 2022. Verification of Hypsibius exemplaris Gąsiorek et al., 2018 (Eutardigrada; Hypsibiidae) application in anhydrobiosis research. PLoS ONE 17(3): e0261485. https://doi.org/10.1371/journal.pone.0261485
  • Bartylak T., Kayastha P., Roszkowska M., Kepel A., Kepel M., Kaczmarek Ł. 2022. Tardigrades of the Ivohibory forest (south-central Madagascar) with a description of a new Bryodelphax species. The European Zoological Journal, 89(1): 423–436. https://doi.org/10.1080/24750263.2022.2042404
  • Mioduchowska M., Konecka E., Gołdyn B., Pinceel T., Brendonck L., Lukic D., Kaczmarek Ł., Namiotko T., Zając K., Jastrzębski J. P., Zając T., Bartoszek K. 2022. Wolbachia enigma: Playing peekaboo with a master manipulator. Authorea 10.22541/au.164925600.03451482/v1
  • Kaczmarek Ł., Kayastha P., Roszkowska M., Gawlak M., Mioduchowska M. 2022. Integrative Redescription of the Minibiotus intermedius (Plate, 1888)—The Type Species of the Genus Minibiotus R.O. Schuster, 1980. Diversity 14(5): 356. https://doi.org/10.3390/d14050356
  • Roszkowska M., Gołdyn B., Wojciechowska D., Księżkiewicz Z., Fiałkowska E., Pluskota M., Kmita H., Kaczmarek Ł. 2022. How long can tardigrades survive in anhydrobiotic state? Searching on tardigrade anhydrobiosis patterns. bioRxiv  https://doi.org/10.1101/2022.06.10.495611
  • Kaczmarek Ł., Kayastha P., Gawlak M., MioduchowskaM., Roszkowska M. 2022. An integrative redescription of Echiniscus quadrispinosus quadrispinosus Richters, 1902 (Heterotardigrada, Echiniscidae) from the terra typica in Taunus Mountain Range (Europe; Germany). European Journal pof Taxonomy 823(823):102-124. 10.5852/ejt.2022.823.1819
  • Nagwani A.K., Kaczmarek Ł., Kmita H. 2022. Applicable Life-History and Molecular Traits for Studying the Effects of Anhydrobiosis on Aging in Tardigrades. Diversity 14(8):664. https://doi.org/10.3390/d14080664
  • Kasianchuk N., Rzymski P., Kaczmarek Ł. 2022. The biomedical potential of tardigrade proteins: A review. Biomedicine & Pharmacotherapy 158: 114063. https://doi.org/10.1016/j.biopha.2022.114063.
  • Bertolani R., Cesari M., Giovannini I., Rebecchi L., Guoidetti R., Kaczmarek Ł., Pilato G. 2022. The Macrobiotus persimilis-polonicus complex (Eutardigrada, Macrobiotidae), another example of problematic species identification, with the description of four new species. Organisms Diversity & Evolution 23(11): 329–368. https://doi.org/10.1007/s13127-022-00599-z

2021

  • Mioduchowska M., Kačarević U., Miamin V., Giginiak Y., Parnikoza I., Roszkowska M., Kaczmarek Ł. 2021. Redescription of Antarctic eutardigrade Dastychius improvisus (Dastych, 1984) and some remarks on phylogenetic relationships within Isohypsibioidea. The European Zoological Journal, 88(1): 117–131. https://doi.org/10.1080/24750263.2020.1854877
  • Erdmann W, Idzikowski B, Kowalski W, Kosicki JZ, Kaczmarek Ł. 2021. Tolerance of two anhydrobiotic tardigrades Echiniscus testudo and Milnesium inceptum to hypomagnetic conditions. PeerJ 9(22): e10630. https://doi.org/10.7717/peerj.10630
  • Kuzdrowska K. A., Mioduchowska M., Gawlak M., Bartylak T., Kepel A., Kepel M., Kaczmarek, Ł. 2021. Integrative description of Macrobiotus porifini sp. nov. (Macrobiotidae) from Madagascar and its phylogenetic position within the hufelandi group. The European Zoological Journal, 88(1): 375–389. https://doi.org/10.1080/24750263.2021.1883752
  • Roszkowska M., Wojciechowska D., Kmita H., Cerbin S., Dziuba M. K., Fiałkowska E., Sobkowiak R., Szydło W. Kaczmarek Ł. 2021. Tips and tricks how to culture water bears: simple protocols for culturing eutardigrades (Tardigrada) under laboratory conditions. The European Zoological Journal, 88(1): 449–465. https://doi.org/10.1080/24750263.2021.1881631
  • Kayastha P., Roszkowska M., Mioduchowska M., Gawlak M., Kaczmarek Ł. 2021. Integrative Descriptions of Three New Tardigrade Species along with the New Record of Mesobiotus skorackii Kaczmarek et al., 2018 from Canada. In: The 1st International Electronic Conference on Biological Diversity, Ecology and Evolution. https://doi.org/10.3390/d13080394
  • Wojciechowska D., Karachitos A., Roszkowska M., Rzeźniczak W., Sobkowiak R., Kaczmarek Ł., Kosicki J.Z., Kmita H. 2021. Mitochondrial alternative oxidase contributes to successful tardigrade anhydrobiosis. Frontiers in Zoology 18(1): 1-12. https://doi.org/10.1186/s12983-021-00400-5
  • Kaczmarek Ł., Kayastha P., Gawlik M., Mioduchowska M., Roszkowska M. 2021. An integrative description of Diploechiniscus oihonnae (Richters, 1903) population from near the original type locality in Merok (Norway). Zootaxa 4964(1): 83-102. 10.11646/ZOOTAXA.4964.1.4
  • Bartels P. J., Fontoura P., Nelson D. R., Orozco-Cubero S., Mioduchowska M., Gawlak M., Kaczmarek Ł., Cortés J. 2021. A trans-isthmus survey of marine tardigrades from Costa Rica (Central America) with descriptions of seven new species. Marine Biology Research 17(2): 120–166. https://doi.org/10.1080/17451000.2021.1901936
  • Mioduchowska M., Nitkiewicz B., Roszkowska M., Kačarević U., Madanecki P., Pinceel T., Namiotko T., Gołdyn B., Kaczmarek Ł. 2021. Taxonomic classification of the bacterial endosymbiont Wolbachia based on next-generation sequencing: is there molecular evidence for its presence in tardigrades?. Genome. 64(10): 951-958. https://doi.org/10.1139/gen-2020-0036
  • Kaczmarek Ł. 2021. Tardigrada: An Emerging Animal Model to Study the Endoplasmic Reticulum Stress Response to Environmental Extremes. In: Agellon, L.B., Michalak, M. (red.) Cellular Biology of the Endoplasmic Reticulum . Progress in Molecular and Subcellular Biology 59: 305-327. https://doi.org/10.1007/978-3-030-67696-4_14
  • Bartels P.J., Nelson D. R., Kaczmarek Ł. 2021. An updated species list for "Smoky Bears": Tardigrades of the Great Smoky Mountains National Park, USA. Zootaxa 4980(2): 256-268. 10.11646/ZOOTAXA.4980.2.2
  • Perry E., Miller W. R., Kaczmarek Ł. 2021. Additional recommended abbreviations for the names of genera of the phylum Tardigrada. Zootaxa 4981(2):398-400. 10.11646/zootaxa.4981.2.12
  • Kaczmarek Ł. 2021. Clarification of the presence of Barbaria bigranulata (Richters, 1907) (Heterotardigrada, Echiniscidae) on the Iberian Peninsula (Spain, Europe). Zootaxa 5005(2):249-250. 10.11646/zootaxa.5005.2.12
  • Kayastha P., Roszkowska M., Mioduchowska M., Gawlak M., Kaczmarek Ł. 2021. Integrative Descriptions of Two New Tardigrade Species along with the New Record of Mesobiotus skorackii Kaczmarek et al., 2018 from Canada. Diversity 13(8): 1-27. https://doi.org/10.3390/d13080394
  •  Wojciechowska D., Roszkowska M., Kaczmarek Ł., Jarmuszkiewicz W., Karachitos A., Kmita H. 2021. The tardigrade Hypsibius exemplaris  has the active mitochondrial alternative oxidase that could be studied at animal organismal level. PLoS ONE 16(8): e0244260. https://doi.org/10.1371/journal.pone.0244260
  • Erdmann W., Kmita H., Kosicki J.Z., Kaczmarek Ł. 2021. How the Geomagnetic Field Influences Life on Earth – An Integrated Approach to Geomagnetobiology. Origins of Life and Evolution of Biospheres 51(3): 231–257. https://doi.org/10.1007/s11084-021-09612-5
  • Kayastha P., Wiśniewska J., Kuzdrowska K., Kaczmarek Ł. 2021. Aquatic tardigrades in Poland – a review. Limnological  Review 21(3):147-154. 10.2478/limre-2021-0013
  • Kaczmarek Ł., Roszkowska M. 2021. Zealandiscus gen. nov., a New Genus Erected in the Family Echiniscidae Thulin, 1928 (Heterotardigrada).  Annales Zoologici 71(3), 651-659. https://doi.org/10.3161/00034541ANZ2021.71.3.004
  • Roszkowska M., Gołdyn B., Wojciechowska D., Kosicki J. Z., Fiałkowska E., Kmita H., Kaczmarek Ł. 2021. Tolerance to Anhydrobiotic Conditions Among Two Coexisting Tardigrade Species Differing in Life Strategies. Zoological Studies 60:1-13. 10.6620/ZS.2021.60-74

2020

  • Kayastha P., Berdi D., Mioduchowska M., Gawlak M., Łukasiewicz A., Gołdyn B., Kaczmarek Ł. 2020. Some tardigrades from Nepal (Asia) with integrative description of Macrobiotius wandae sp. nov. (Macrobiotidae: Hufelandi group). Annales Zoologici 70(1): 121-142. DOI: 10.3161/00034541ANZ2020.70.1.007
  • Kayastha P., Berdi D., Mioduchowska M., Gawlak M., Łukasiewicz A., Gołdyn B., Jędrzejewski Sz., Kaczmarek Ł. 2020. Description and molecular characterization of Richtersius ziemowiti sp. nov. (Richtersiiade) from Nepal (Asia) with evidence of heterozygous point mutation events in the 28S rRNA. Annales Zoologici 70(3): 381-396. DOI: 10.3161/00034541ANZ2020.70.3.010
  • Moreno-Talamantes A., Leon-Espinosa G.A., Garcia- Aranda M.A., Flores- Maldonado J.J., Kaczmarek Ł. 2020. The genus Milnesium doyere, 1840 in Mexico with description of a new species.  Annales Zoologici 70(4): 467- 486. DOI: 10.3161/00034541ANZ2020.70.4.001
  • Kayastha P., Bartylak T., Gawlak M., Kaczmarek Ł. 2020. Integrative description of Pseudechiniscus lalitae  sp. nov. (Tardigrada: Heterotardigrada: Echiniscidae) from The Azores Archipelago (Portugal). Annales Zoologici 70(4): 487- 505. DOI: 10.3161/00034541ANZ2020.70.4.002
  • Kaczmarek Ł., Mioduchowska M., Kacarevic U., Kubska K., Parnikoza I., Gołdyn B., Roszkowska M. 2020. New Records of Antarctic Tardigrada with Comments on Interpopulation Variability of the Paramacrobiotus fairbanksi Schill, Förster, Dandekar and Wolf, 2010. Diversity. 12, 108. DOI: 10.3390/d12030108
  • Kaczmarek Ł. 2020. Final Note of Special Issue “Tardigrades Taxonomy, Biology and Ecology”. Diversity. 12, 169. DOI: 10.3390/d12050169 
  • Kaczmarek Ł., Bartylak T., Stec D., Kulpa A., Kepel M., Kepel A., Roszkowska M. 2020. Revisiting the genus Mesobiotus Vecchi et al., 2016 (Eutardigrada, Macrobiotidae) e remarks, updated dichotomous key and an integrative description of new species from Madagascar. Zoologischer Anzeiger. 287, 121- 146. DOI: 10.1016/j.jcz.2020.05.003
  • Jagadeesh M.K., Valluri S.R., Kari V., Kubska K., Kaczmarek Ł. 2020. Indexing Exoplanets with Physical Conditions Potentially Suitable for Rock-Dependent Extremophiles. Life 10, 10. DOI: 10.3390/life10020010 
  • Kaczmarek Ł., Roszkowska M., Poprawa I., Janelt K., Kmita H., Gawlak M., Fiałkowska E., Mioduchowska M. 2020. Integrative description of bisexual Paramacrobiotus experimentalis sp. nov.
    (Macrobiotidae) from republic of Madagascar (Africa) with microbiome analysis. Molecular Phylogenetics and Evolution 145, 106730. DOI: 10.1016/j.ympev.2019.106730
  • Roszkowska M., Kmita H., Kaczmarek Ł. 2020. Long-term anhydrobiosis in two taxa of moss dwelling Eutardigrada (Tardigrada) desiccated for 12 and 15 years, respectively. The European Zoological Journal. 87: 642–647. DOI: 10.1080/24750263.2020.1829110
  • Nelson D.R., Adkins Fletcher R., Guidetti R., Roszkowska M., Grobys D., Kaczmarek Ł. 2020. Two new species of Tardigrada from moss cushions (Grimmia sp.) in a xerothermic habitat in northeast Tennessee (USA, North America), with the first identification of males in the genus Viridiscus. Peer J. DOI:  10.7717/peerj.10251
  • Kaczmarek Ł., Bartylak T., Roszkowska M. 2020. Two new genera of long clawed Isohypsibioidea Guil, Jørgensen & Kristensen, 2019. Zootaxa 4729 (2): 293-299. DOI: 10.11646/zootaxa.4729.2.10
  • Roszkowska M., Grobys D., Bartylak T., Gawlak M., Kmita H., Kepel A., Kepel M., Parnikoza I., Kaczmarek Ł. 2020. Integrative description of five Pseudechiniscus species (Heterotardigrada:
    Echiniscidae: the suillus-facettalis complex). Zootaxa 4763 (4): 451–484. DOI: 10.11646/zootaxa.4763.4.1
  • Bartels P.J., Fontaneto D., Roszkowska M., Nelson D. R., Kaczmarek Ł. 2020. Latitudinal gradients in body size in marine tardigrades. Zoological Journal of the Linnean Society, 188, 820–838. DOI: 10.1093/zoolinnean/zlz080
  • Grobys D., Roszkowska M., Gawlak M., Kmita H., Kepel A., Kepel M., Parnikoza I., Bartylak T., Kaczmarek Ł. 2020. High diversity in the Pseudechiniscus suillus–facettalis complex (Heterotardigrada: Echiniscidae) with remarks on the morphology of the genus Pseudechiniscus. Zoological Journal of the Linnean Society, 188, 733–752. DOI: 10.1093/zoolinnean/zlz171
  • Nelson D. R., Guidetti R., Rebecchi L., Kaczmarek Ł., McInnes S. 2023. Chapter 15 - Phylum Tardigrada . In: Rogers D. C., Damborenea C., Thorp J.(red.) Thorp and Covich's Freshwater Invertebrates (Fourth Edition). Academic Press: 505-522. https://doi.org/10.1016/B978-0-12-804225-0.00015-0.
  • Mioduchowska M., Czyż M., Gołdyn B., Szydło W., Kaczmarek Ł., Kur J., Bartoszek K. 2020. A new bioinformatics approach to identify erroneous sequences in genetic databases: hidden contamination of target sequences. Basic & Clinical Pharmacology & Toxicology 126(2): 12-13.
  • Barnov V., Pinho L.C., Roszkowska M., Kaczmarek Ł. 2020. New records of Polypedilum Kieffer from Ecuador, with description of a new species. Spixiana 43: 1-10

2019

  • Roszkowska M., Ostrowska M., Grobys D., Kmita H., Kaczmarek Ł. 2019. Some tardigrades from Italy, with an updated checklist of limno-terrestrial species from the country. Acta Zoologica Bulgarica. 71(2): 167-174. [PDF]
  • Perry B., Miller W. R., Kaczmarek Ł. 2019. Recommended abbreviations for the names of genera of the phylum Tardigrada. Zootaxa 4608(1): 145-154. DOI: 10.11646/zootaxa.4608.1.8
  • Kaczmarek Ł., Roszkowska M., Fontaneto D., Jezierska M., Pietrzak B., Wieczorek R., Poprawa I., Kosicki J.Z., Karachitos A., Kmita H. 2019. Staying young and fit? Ontogenetic and phylogenetic consequences of animal anhydrobiosis. Journal of Zoology. DOI:10.1111/jzo.12677
  • Roszkowska M., Gawlak M., Draga M., Kaczmarek Ł. 2019. Two new species of Tardigrada from Ecuador (South America). Zootaxa 4545(4): 511-530. DOI: 10.11646/zootaxa.4545.4.4
  • Kaczmarek Ł., Grobys D., Kulpa A., Bartylak T., Kmita H., Kepel M., Kepel A., Roszkowska M. 2019. Two new species of the genus Milnesium Doyère, 1840 (Tardigrada, Apochela, Milnesiidae) from Madagascar. Zoo Keys 884: 1-22. DOI: 10.3897/zookeys.884.29469
  • Roszkowska M., Kaczmarek Ł. 2019. Macrobiotus noemiae sp. nov., a new tardigrade species (Macrobiotidae: hufelandi group) from Spain. Turkish Journal of Zoology. 43: 331-348. DOI: 10.3906/zoo-1902-5
  • Moreno- Talamantes A., Roszkowska M., Garcia- Aranda M.A., Flores- Maldonado J.J., Kaczmarek Ł. 2019. Current knowledge on Mexican tardigrades with a description of
    Milnesium cassandrae sp. nov. (Eutardigrada: Milnesiidae) and discussion on the taxonomic value of dorsal pseudoplates in the genus Milnesium Doyère, 1840. Zootaxa. 4691 (5): 501-524. DOI:10.11646/zootaxa.4691.5.5 
  • Bartylak T., Kulpa A., Grobys D., Kepel M., Kepel A., Kmita H., Gawlak M., Grabiński W., Roszkowska M., Kaczmarek Ł. 2019. Variability of Echiniscus tristis Gąsiorek & Kristensen, 2018—
    is morphology sufficient for taxonomic differentiation of Echiniscidae? Zootaxa 4701 (1): 001-024. DOI: 10.11646/zootaxa.4701.1.1

2018

  • Jagadeesh M. K., Roszkowska M., Kaczmarek Ł. 2018. Tardigrade indexing approach on exoplanets. Life Sciences in Space Research 19: 13-16. DOI: 10.1016/j.lssr.2018.08.001
  • Kaczmarek Ł., Zawierucha K., Buda J., Stec D., Gawlak M., Michalczyk Ł., Roszkowska M. 2018. An integrative redescription of the nominal taxon for the Mesobiotus harmsworthi group (Tardigrada: Macrobiotidae) leads to descriptions of two new Mesobiotus species from Arctic. PLOS ONE 13(10): e0204756.
  • Kaczmarek Ł., Bartels P., Roszkowska M. 2018. First Records of Marine Tardigrades (Arthrotardigrada) from Fuerteventura (Canary Islands, Spain). African Zoology 53(2). DOI: 10.1080/15627020.2018.1493705
  • Roszkowska M., Stec D., Kaczmarek Ł. 2018. An integrative description of a new tardigrade species Mesobiotus romani sp. nov. (Macrobiotidae: harmsworthi group) from the Ecuadorian Pacific coast. Zootaxa. 4450(5):550-564. 
  • Stec D. , Roszkowska M., Kaczmarek Ł., Michalczyk Ł . 2018. An integrative description of a population of Mesobiotus radiatus (Pilato, Binda & Catanzaro, 1991) from Kenya. Turkish Journal of Zoology 42: 523-540.
  • Kaczmarek Ł., Parnikoza I., Gawlak M., Esefeld J., Peter H. U., Kozeretska I., Roszkowska M. 2018. Tardigrades from Larus dominicanus Lichtenstein, 1823 nests on the Argentine Islands (maritime Antarctic). Polar Biology. 41(2): 283-301.
  • Kaczmarek Ł., Kosicki J., Roszkowska M. 2018. Tardigrada of Bory Tucholskie National Park, Zaborski Landscape Park, and their surroundings (Pomerania Province, Poland). Turkish Journal of Zoology. 42(1): 6-17.
  • Ürkmez D., Ostrowska M., Roszkowska M., Gawlak M., Zawierucha K., Kristensen R. M., Kaczmarek Ł. 2018. Description of Megastygarctides sezginii sp. nov. (Tardigrada: Arthrotardigrada: Stygarctidae) from the Turkish Black Sea coast and a key to the genus Megastygarctides. Marine Biology Research. 14(1): 1-16.
  • Stec D., Roszkowska M., Kaczmarek Ł., Michalczyk Ł. 2018. Paramacrobiotus lachowskae, a new species of Tardigrada from Colombia (Eutardigrada: Parachela: Macrobiotidae). New Zealand Journal of Zoology. 45(1): 43-60.
  • Marley N. J., Kaczmarek Ł., Gawlak M., Bartels P. J., Nelson D. R., Roszkowska M., Stec D., Degma P. 2018. A clarification for the subgenera of Paramacrobiotus Guidetti, Schill, Bertolani, Dandekar and Wolf, 2009, with respect to the International Code of Zoological Nomenclature. Zootaxa. 4407(1): 130-134.
  • Jakubowska-Krepska N., Gołdyn B., Krzemińska-Wowk P., Kaczmarek Ł. 2018. Tardigrades as potential bioindicators in biological wastewater treatment plants. EUROPEAN JOURNAL OF ECOLOGY. 4(2): 124-130.

 

2017

  • Kaczmarek Ł., Michalczyk Ł. 2017. A description of Macrobiotus horningi sp. nov. and redescriptions of M. maculatus comb. nov. Iharos, 1973 and M. rawsoni Horning et al., 1978 (Tardigrada: Eutardigrada: Macrobiotidae: hufelandi group). Zootaxa. 4363(1): 79-100.
  • Kaczmarek Ł., Michalczyk Ł. 2017. The Macrobiotus hufelandi group (Tardigrada) revisited. Zootaxa. 4363(1): 101-123.
  • Kaczmarek Ł., Gawlak M., Bartels P. J., Nelson D. R., Roszkowska M. 2017. Revision of the Genus Paramacrobiotus Guidetti et al., 2009 with the Description of a New Species, Re-Descriptions and a Key. Annales Zoologici. 67(4): 627-656.
  • Erdmann W., Idzikowski B., Kowalski W., Szymański B., Kosicki J. Z., Kaczmarek Ł. 2017. Can the tardigrade Hypsibius dujardini survive in the absence of the geomagnetic field?. PloS one. 12(9): e0183380.
  • Roszkowska M., Ostrowska M., Stec D., Janko K., Kaczmarek, Ł. 2017. Macrobiotus polypiformis sp. nov., a new tardigrade (Macrobiotidae; hufelandi group) from the Ecuadorian Pacific coast, with remarks on the claw abnormalities in eutardigrades. European Journal of Taxonomy. 327: 1-29.
  • Gołdyn B., Kaczmarek Ł., Roszkowska M., Guayasamín P. R., Książkiewicz-Parulska Z., Cerda H. 2017. Urban ecology of invasive giant African snail Achatina fulica (Férussac)(Gastropoda: Achatinidae) on its first recorded sites in the Ecuadorian Amazon. American Malacological Bulletin. 35(1): 59-64.
  • McInnes S. J., Michalczyk Ł., Kaczmarek Ł. 2017. Annotated zoogeography of non-marine Tardigrada: part IV: Africa. Zootaxa. 4284(1): 1-74.
  • Erdmann W., Kaczmarek Ł. 2017. Tardigrades in Space Research - Past and Future. Origins of Life and Evolution of Biospheres. 47(4): 545-533. 

 

2016

  • Kaczmarek Ł., Gołdyn B., McInnes S.J. & Michalczyk Ł. 2016. Diversity of limno-terrestrial tardigrades of the Americas in relation to the Great American Biotic Interchange hypothesis (GABI). Zoological Journal of the Linnean Society. 178(4): 737-746.
  • Stec D., Gąsiorek P., Morek W., Kosztyła P., Zawierucha K., Michno K., Kaczmarek Ł., Prokop Z.M., Michalczyk Ł. 2016. Estimating optimal sample size for tardigrade morphometry. Zoological Journal of the Linnean Society. 178(4): 776-784.
  • Kaczmarek Ł. & Roszkowska Ł. 2016. A new eutardigrade from Costa Rica with taxonomical and zoogeographical remarks on Costa Rican tardigrades. New Zealand Journal of Zoology. 43(3): 234-245.
  • Roszkowska M., Stec D., Ciobanu D.A. & Kaczmarek Ł. 2016. Tardigrades from Nahuel Huapi National Park (Argentina, South America) with descriptions of two new Macrobiotidae species. Zootaxa 4105 (3): 243–260. 
  • Roszkowska M., Bartels P.J., Gołdyn B., Ciobanu D.A., Fontoura P., Michalczyk Ł., Nelson D.R., Ostrowska M., Moreno-Talamantes A., Kaczmarek Ł. 2016. Is the gut content of Milnesium (Eutardigrada) related to the buccal tube size? Zoological Journal of the Linnean Society. 178(4): 794-803.
  • Bąkowski M., Roszkowska M., Gawlak M, & Kaczmarek Ł. 2016. Macrobiotus naskreckii sp. nov. (Eutardigrada: Macrobiotidae), a new tardigrade of the hufelandi group from Mozambique. Annales Zoologici. 66(2): 155-164.
  • Kosztyła P., Stec D., Morek W., Gąsiorek P., Zawierucha K., Michno K., Ufir K., Małek D., Hlebowicz K., Laska A., Dudziak M., Frohme M., Prokop Z.M., Kaczmarek Ł., Michalczyk Ł. 2016. Experimental taxonomy confirms the value of morphometric traits in a taxonomically challenging group of microinvertebrates. Zoological Journal of the Linnean Society. 178(4): 765-775.
  • Morek W., Stec D., Gąsiorek P., Schill R. O., Kaczmarek Ł., Michalczyk Ł. 2016. An experimental test of eutardigrade preparation methods for light microscopy. Zoological Journal of the Linnean Society. 178(4): 785-793.
  • Stec D., Morek W., Gąsiorek P., Kaczmarek Ł. & Michalczyk Ł. 2016. Determinants and taxonomic consequences of extreme egg shell variability in Ramazzottius subanomalus (Biserov, 1985) (Tardigrada). Zootaxa. 4208(2): 176-188.
  • Kaczmarek Ł., Jakubowska N., Celewicz-Gołdyn S. & Zwierucha K. 2016. Cryoconite holes microorganisms (algae, Archaea, bacteria, cyanobacteria, fungi, and Protista) - a review. Polar Record 52(2): 176-203.
  • Zawierucha K., Zmudczyńska-Skarbek K., Kaczmarek Ł., Wojczulanis-Jakubas K. 2016. The influence of a seabird colony on abundance and species composition of water bears (Tardigrada) in Hornsund (Spitsbergen, Arctic). Polar Biology 39(4): 713-723.
  • Jankovská V., Roszkowska M. & Kaczmarek Ł. 2016. Remains of Non-Pollen-Palynomorphs - Tardigrada from West Spitsbergen (Svalbard Archipelago) found during pollen analysis. Polar Record 52(4): 450-463.
  • Gąsiorek P., Stec D., Morek W., Zawierucha K., Kaczmarek Ł., Lachowska-Cierlik D., Michalczyk Ł. 2016. An integrative revision of Mesocrista Pilato, 1987 (Tardigrada: Eutardigrada: Hypsibiidae). Journal of natural history. 50(45-46): 2803-2828.
  • Kaczmarek Ł., Michalczyk Ł., & McInnes S. J. 2016. Annotated zoogeography of non-marine Tardigrada. Part III: North America and Greenland. Zootaxa. 4203(1): 1-249.
  • Zawierucha K., Kolicka M., Kaczmarek Ł. 2016. Re-description of the Arctic tardigrade Tenuibiotus voronkovi (Tumanov, 2007 (Eutardigrada; Macrobiotidea), with the first molecular data for the genus. Zootaxa. 4196(4): 498-510.

2015

  • Melo J.C., Beltran-Pardo E., Bernal J.E. & Kaczmarek Ł. 2015. New records of tardigrades from Colombia (Guatavita, Cundinamarca Department). Turkish Journal of Zoology 39(3): 412-420.
  • Kaczmarek Ł., Michalczyk Ł. & McInnes S.J. 2015. Annotated zoogeography of non-marine Tardigrada. Part II: South America. Zootaxa 3923(1): 1-107.
  • Roszkowska M., Ostrowska M & Kaczmarek Ł. 2015. The genus Milnesium Doyère, 1840 (Tardigrada) in South America with descriptions of two new species from Argentina and discussion of the feeding behaviour in the family Milnesiidae. Zoological Studies 54: 12.
  • Zawierucha K., Grzelak K., Kotwicki L., Kaczmarek Ł. & Kristensen R.M. 2015. First observation of the marine tardigrades Batillipes mirus and Batillipes noerrevangi (Arthrotardigrada, Batillipedidae) from a strongly brackish part of the Polish Baltic Sea coast. Marine Biology Research 11(8): 859-868. 
  • Zawierucha K. Cytan J., Smykla J., Wojczulanis-Jakubas K., Kaczmarek Ł., Kosicki J.Z. & Michalczyk Ł. 2015. Seabird guano boosts body size of water bears (Tardigrada) inhabiting the Arctic tundra. Polar Biology 38(4): 579-582.
  • Zawierucha K., Kolicka M., Takeuchi N. & Kaczmarek Ł. 2015. What animals can live in cryoconite holes? A faunal review. Journal of Zoology 295(3): 159-169. 
  • Ciobanu D.A., Roszkowska M., Moglan I. & Kaczmarek Ł. 2015. The first record of Pyxidium tardigradum Van der Land, 1964 (Ciliophora) in Romania. Zootaxa 3941(4):595-599.
  • Ciobanu D.A., Roszkowska M. & Kaczmarek Ł. 2015. Two new tardigrade species from Romania (Eutardigrada: Milnesiidae, Macrobiotidae), with some remarks on secondary sex characters in Milnesium dornensis sp. nov. Zootaxa 3941(4):542-564.
  • Zawierucha K., Smykla J., Michalczyk Ł., Gołdyn B. & Kaczmarek Ł. 2015. Distribution and diversity of Tardigrada along altitudinal gradients in the Hornsund, Spitsbergen (Arctic). Polar Research 34: 24168. 
  • Londoño R., Daza A., Caicedo M., Quiroga S. & Kaczmarek Ł. 2015. The genus Milnesium (Eutardigrada: Milnesiidae) in the Sierra Nevada de Santa Marta (Colombia), with the description of Milnesium kogui sp. nov. Zootaxa 3955(4):561-568. 
  • Kaczmarek Ł., Bartels P.J., Roszkowska M. & Nelson D.R. 2015. The Zoogeography of Marine Tardigrada. Zootaxa 4037(1): 1-189.
  • Stec D., Smolak R., Kaczmarek Ł. & Michalczyk Ł. 2015. An integrative description of Macrobiotus paulinae sp. nov. (Tardigrada: Eutardigrada: Macrobiotidae: hufelandi group) from Kenya. Zootaxa 4052(5): 501-526.
  • Moreno-Talamantes A., Roszkowska M., Guayasamín P.R., Flores Maldonado J.J. & Kaczmarek Ł. 2015. First record of Dactylobiotus parthenogeneticus Bertolani, 1982 (Eutardigrada: Murrayidae) in Mexico. Check List 11(4): 1723.

2014

  • Kaczmarek Ł., Janko K., Smykla J. & Michalczyk Ł. 2014. Soil tardigrades from the Antarctic Peninsula with a description of a new species and some remarks on the genus Ramajendas (Eutardigrada: Isohypsibiidae). Polar Record, 50(2): 176-182.
  • Kaczmarek Ł., Cytan J., Zawierucha K., Diduszko D. & Michalczyk Ł. 2014. Tardigrades from Peru (South America), with descriptions of three new species of Parachela. Zootaxa, 3790(2): 357-379.
  • Kaczmarek Ł., Michalczyk Ł. & McInnes S.J. 2014. Annotated zoogeography of non-marine Tardigrada. Part I: Central America. Zootaxa, 3763(1): 1-62.
  • Zawierucha K., Dziamięcki J., Jakubowska N., Michalczyk Ł. & Kaczmarek Ł. 2014. New records of tardigrades in the Baltic states with the description of Minibiotus formosus sp. nov. (Eutardigrada, Macrobiotidae). Zookeys, 408: 81-105.
  • Ciobanu D.A., Zawierucha K., Moglan I. & Kaczmarek Ł. 2014. Milnesium berladnicorum sp. n. (Eutardigrada, Apochela, Milnesiidae), a new species of water bear from Romania. ZooKeys, 429: 1-11.
  • Bartels P.J., Nelson D.R., Kaczmarek Ł. & Michalczyk Ł. 2014. The genus Milnesium (Tardigrada: Eutardigrada: Milnesiidae) in the Great Smoky Mountains National Park (North Carolina and Tennessee, USA), with the description of Milnesium bohleberi sp. nov. Zootaxa, 3826(2): 356-368.
  • Ciobanu D.A., Moglan I., Zawierucha K. & Kaczmarek Ł. 2014. New records of terrestrial tardigrades (Tardigrada) from Ceahlău National Park with zoogeographical and taxonomical remarks on Romanian water bears. North-western Journal of Zoology 10: art.140301. »więcej 

2013

  • Zawierucha K., Michalczyk Ł. & Kaczmarek Ł. 2013. The first record of Tardigrada from the Republic of Zambia, with a description of Doryphoribius niedbalai sp. nov. (Eutardigrada: Hypsibiidae, the evelinae group). African Zoology, 47(2): 275-284.
  • Rost-Roszkowska M.M., Poprawa I., & Kaczmarek Ł. 2013. Autophagy as the cell survival in response to a microsporidian infection of the midgut epithelium of Isohypsibius granulifer granulifer (Eutardigrada: Hypsibiidae). Acta Zoologica (Stockholm), 94(3): 273-279. 
  • Michalczyk Ł., Kaczmarek Ł. 2013. The Tardigrada Register: a comprehensive online data repository for tardigrade taxonomy. Journal of Limnology, 72(s1): 175-181.
  • Zawierucha K., Grzelak K., Kotwicki L., Michalczyk Ł. & Kaczmarek Ł. 2013. The first record of Batillipes pennaki Marcus, 1946 (Tardigrada: Arthrotardigrada: Batillipedidae) from a sandy beach in Thailand. Pakistan Journal of Zoology, 45(3): 801-808.
  • Coulson S.J., Convey P., Aakra K., Aarvik L., Ávila-Jiménez M.L., Babenko A., Biersma, E.M., Boström S., Brittain J.E., Carlsson A.M., Christoffersen K., De Smet W.H., Ekrem T., Fjellberg A. Füreder L., Gustafsson D., Gwiazdowicz D.J., Hansen L.O., Holmstrup M., Hullé M., Kaczmarek Ł., Kolicka M., Kuklin V., Lakka H.-K., Lebedeva N., Makarova O., Maraldo K., Melekhina E., Ødegaard F., Pilskog H.E., Simon J.C., Sohlenius B., Solhøy T., Søli G., Stur E., Tanasevitch A., Taskaeva A., Velle G., Zawierucha K. & Zmudczyńska-Skarbek K. 2013. The terrestrial and freshwater invertebrate biodiversity of the archipelagoes of the Barents Sea; Svalbard, Franz Josef Land and Novaya Zemlya. Soil Biology and Biochemistry, 68: 440-470. 
  • Rost-Roszkowska M.M., Poprawa I., Hyra M., Marek-Swędzioł M. & Kaczmarek Ł. 2013. The fine structure of the midgut epithelium in Xerobiotus pseudohufelandi (Iharos, 1966) (Tardigrada, Eutardigrada, Macrobiotidae). Journal of Limnology, 72(S1): 54-61.
  • Zawierucha K., Coulson S., Michalczyk Ł. & Kaczmarek Ł. 2013. Current knowledge of the Tardigrada of Svalbard with the first records of water bears from Nordaustlandet (High Arctic). Polar Research, 32: 20886.
  • Rost-Roszkowska, M.M., Poprawa, I. & Kaczmarek, Ł. 2013. Autophagy as the cell survival in response to a microsporidian infection of the midgut epithelium of Isohypsibius granulifer granulifer (Eutardigrada: Hypsibiidae). Acta Zoologica (Stockholm), 94(3): 273-279.

2012

  • Kaczmarek, Ł., Zawierucha, K., Smykla, J. & Michalczyk, Ł. 2012. Tardigrada of the Revdalen (Spitsbergen) with the descriptions of two new species: Bryodelphax parvuspolaris (Heterotardigrada) and Isohypsibius coulsoni (Eutardigrada). Polar Biology, (doi:10.1007/s00300-011-1149-0).
  • Michalczyk, L., Welnicz, W., Frohme, M. & Kaczmarek, L. 2012. Redescriptions of three Milnesium Doyère, 1840 taxa (Tardigrada: Eutardigrada: Milnesiidae), including the nominal species for the genus. Zootaxa, 3154: 1-20.

2011

  • Kaczmarek, Ł., Gołdyn, B., Prokop, Z.M. & Michalczyk, Ł. 2011. New records of Tardigrada from Bulgaria with the description of Macrobiotus binieki sp. nov. (Eutardigrada: Macrobiotidae) and a key to the species of the harmsworthi group. Zootaxa, 2781: 29-39.
  • Smykla, J., Kaczmarek, Ł., Huzarska, K. & Michalczyk, Ł. 2011. The first record of a rare marine tardigrade, Halobiotus crispae Kristensen, 1982 (Eutardigrada: Hypsibiidae), from the Svalbard Archipelago. Polar Biology, 34: 1243-1247.
  • Wełnicz, W., Grohme, M.A., Kaczmarek, Ł., Schill, R.O., & Frohme, M. 2011. Anhydrobiosis in tardigrades - the last decade. Journal of Insect Phisiology, 57(5): 577-583.
  • Kaczmarek, Ł., Michalczyk, Ł. & Diduszko, D. 2011. Checklist with new records of Tardigrada of Mexico (North and Central America). Revista Mexicana de Biodiversidad, 82(4): 1324-1327.
  • Bartels, P. J., D.R. Nelson, D. R., Kaczmarek, Ł. & Michalczyk, Ł. 2011. Ramazzottius belubellus, a new species of Tardigrada (Eutardigrada: Parachela: Hypsibiidae) from the Great Smoky Mountains National Park (North Carolina, U.S.A.). Proceedings of the Biological Society of Washington, 124(1): 23-27.
  • Kaczmarek, Ł., Gołdyn, B., Wełnicz, W. & Michalczyk, Ł. 2011. Ecological factors determining Tardigraa distribution in Costa Rica. Journal of Zoological Systematics and Evolutionary Research, 49(s1): 78-83.
  • Wełnic,z W., Grohme, M.A., Kaczmarek, Ł., Schill, R.O., & Frohme, M. 2011. ITS-2 and 18S rRNA data from Macrobiotus polonicus and Milnesium tardigradum (Eutardigrada, Tardigrada). Journal of Zoological Systematics and Evolutionary Research, 49(s1): 34-39.
  • Rost-Roszkowska, M.M., Poprawa, I., Wójtowicz, M., & Kaczmarek, Ł. 2011. Ultrastructural changes of the midgut epithelium in Isohypsibius granulifer granulifer Thulin, 1928 (Tardigrada: Eutardigrada) during oogenesis. Protoplasma, 248(2): 405-414.

2010

  • Michalczyk, Ł., Kaczmarek, Ł. 2010. Description of Doryphoribius dawkinsi, a new species of Tardigrada (Eutardigrada: Hypsibiidae) from the Costa Rican highlands, with the key to the genus Doryphoribius . Zootaxa, 2393: 46-58.
  • Kristensen, R.M., Michalczyk, Ł. & Kaczmarek, Ł. 2010. The first record of the genus Bryodelphax (Tardigrada: Heterotardigrada: Echiniscidae) from Easter Island, Rapa Nui (Pacific Ocean, Chile) with the description of a new species, Bryodelphax aaseae. Zootaxa, 2343: 45-56.
  • Kaczmarek, Ł., Bertolani, R. & Nędzyńska-Stygar, M. 2010. Thulinius saltursus comb. nov.: a new systematic position for Isohypsibius saltursus Schuster, Toftner & Grigarick, 1978 (Eutardigrada: Hypsibiidae) and a key for the genus Thulinius. Zootaxa, 2483: 58-64.
  • Kaczmarek, Ł., Michalczyk, Ł. 2010. Redescription of Dactylobiotus grandipes (Schuster, Toftner & Grigarick, 1978), the type species for the genus Dactylobiotus (Tardigrada: Macrobiotidae). Genus, 21(1): 155-162.
  • Kaczmarek, Ł., Michalczyk, Ł. 2010. The genus Echiniscus Schultze 1840 (Tardigrada) in Costa Rican (Central America) rain forests with descriptions of two new species. Tropical Zoology, 23(1): 91-106.
  • Claxton, S.K., Beasley, C.W., Kaczmarek Ł. & Michalczyk, Ł. 2010. Redescription of Doryphoribius zyxiglobus (Horning, Schuster & Grigarick 1978) (Eutardigrada: Hypsibiidae) and extension of its geographic range. New Zealand Journal of Zoology, 37 (3): 243-253.
  • Kaczmarek, Ł., Gołdyn, B., Czyż, M. & Michalczyk, Ł. 2010. The first records of Isohypsibius pushkini Tumanov, 2003 (Eutardigrada, Hypsibiidae) from Poland. Biological Letters, 47(2): 81-85.

2009

  • Kaczmarek, Ł., Michalczyk, Ł. 2009. Redescription of Hypsibius microps Thulin, 1928 and H. pallidus Thulin, 1911 (Eutardigrada: Hypsibiidae) based on the type material from the Thulin collection. Zootaxa, 2275: 60-68.
  • Kaczmarek, Ł., Michalczyk, Ł. 2009. Two new species of Macrobiotidae, Macrobiotus szeptyckii (harmsworthi group) and Macrobiotus kazmierskii (hufelandi
    group) from Argentina. Acta Zoologica Cracoviensia, Seria B - Invertebrata, 52(1-2): 87-99.
  • Kaczmarek Ł. 2009. Zoologia. Bezkręgowce. Praca zbiorowa pod redakcją Cz. Błaszaka: Tom 1. Typ: Niesporczaki-Tardigrada PWN,  t 1., 694-701.

2008

  • Kaczmarek Ł. 2008. Niesporczaki (Tardigrada). W: Fauna Polski, Charakterystyka i wykaz gatunków (Bogdanowicz W., Chudzicka E., Pilipiuk I. i Skibińska E., red.). Muzeum i Instytut Zoologii PAN, Warszawa, 3: 543-548.
  • Kaczmarek Ł., Michalczyk Ł. & Eggermont H. 2008. Dactylobiotus luci, a new freshwater tardigrade (Eutardigrada, Macrobiotidae) from the Ruwenzori Mountains (Uganda/DR Congo). African Zoology, 43(2): 150-155.
  • Bartels P.J., Nelson D.R., Kaczmarek Ł. & Michalczyk Ł. 2008. Three new species and one record of the genus Doryphoribius Pilato, 1969 (Tardigrada: Eutardigrada: Hypsibiidae) from the Great Smoky Mountans National Park (Tennessee, USA) Journal of Natural History, 42 (41-32): 2595-2608.
  • Beasley C.W., Kaczmarek Ł. & Michalczyk Ł. 2008. Doryphoribius mexicanus, a new  species of Tardigrada (Eutardigrada: Hypsibiidae) from Mexico (North America). Proceedings of the Biological Society of Washington, 121(1): 34-40.
  • Degma P., Michalczyk Ł. & Kaczmarek Ł. 2008. Macrobiotus derkai, a new species of Tardigrada (Eutardigrada, Macrobiotidae, huziori group) from the Colombian Andes (South America). Zootaxa, 1731: 1-23.
  • Vincente F., Michalczyk Ł., Kaczmarek Ł. & Boavida M-J. 2008. Observations on Pyxidium tardigradum (Ciliophora), a protozoan living on Eutardigrada: infestation, morphology and feeding behaviour. Parasitology Reserch, 103: 1323-1331.

2007

  • Kaczmarek Ł., Michalczyk Ł., Degma P. 2007. Description of a new tardigrade Macrobiotus barbarae (Eutardigrada: Macrobiotidae) from the Dominican Republic. Annales Zoologici 57(3): 363-369.
  • Kaczmarek Ł., Michalczyk Ł. 2007. A new species of Tardigrada (Eutardigrada: Milnesiidae): Milnesium krzysztofi from Costa Rica (Central America). New Zealand Journal of Zoology 34: 297-302.
  • Bartels P. J., Nelson D. R., Kaczmarek Ł., Michalczyk Ł. (2007) Doryphoribius smokiensis, a new species of Eutardigrada (Hypsibiidae) from the Great Smoky Mountains National Park, TN, USA (North America). Zootaxa 1646: 59-65.
  • Pilato G., Kaczmarek Ł. (2007) Macrobiotus alvaroi, a new species of eutardigrade (Tardigrada, Macrobiotidae) of the polyopus group from Costa Rica (Central America).Zootaxa 1479: 1-7.
  • Michalczyk Ł., Kaczmarek Ł. (2007). Echiniscus ganczareki, a new species of Tardigrada (Heterotardigrada: Echiniscidae, bigranulatus group) from Costa Rica. Zootaxa 1471: 15-25.
  • Chang C. Y., Kaczmarek Ł., Lee J. M., and Michalczyk Ł. (2007). Pseudobiotus spinifer, a new tardigrade species (Eutardigrada: Hypsibiidae) from Nakdong River, South Korea, with a redescription of P. vladimiri Biserov, Dudichev & Biserova. Zoological Science 24, 623-629.

2006

  • Kaczmarek Ł., Beasley C.W., Michalczyk Ł. 2006 The first record of the genus Haplohexapodibius Pilato & Beasley, 1987 in Africa with notes on synonymy of Hexapodibius beasleyi Maucci, 1988 with Haplohexapodibius seductor Pilato & Beasley, 1987. African Zoology 41(2): 290-293.
  • Kaczmarek Ł., Michalczyk Ł. 2006. Redescription of Macrobiotus tridigitus Schuster,1983 and the erection of a new genus of Tardigrada (Eutardigrada, Macrobiotidae). Journal of Natural History 40(19-20): 1223-1229.
  • Kaczmarek Ł., Michalczyk Ł. 2006. Ramazzottius bunikowsae, a new species Tardigrada (Eutardigrada, Hypsibiidae) from Russia. Zootaxa 1229: 49-57.
  • Kaczmarek Ł., Michalczyk Ł., Guidetti R. 2006. Description of the new species Calcarobiotus (C.) longinoi sp. nov. (Eutardigrada: Macrobiotidae) from Costa Rica with the diagnostic key to the genus Calcarobiotus. Italian Journal of Zoology 73(3): 247-253.
  • Kaczmarek Ł., Michalczyk Ł. 2006. The Tardigrada fauna of Mongolia (Central Asia) with a description of Isohypsibius altai sp. nov. (Eutardigrada: Hypsibiidae). Zoological Studies 45(1): 11-23.
  • Kaczmarek Ł., Michalczyk Ł., Diduszko D. 2006. Ramazzottius bunikowskae, a new species of Tardigrada Eutardigrada, Hypsibiidae) from Russia. Zootaxa 1229: 49-57.
  • Michalczyk Ł., Kaczmarek Ł. 2006. A new species Macrobiotus magdalenae (Tardigrada: Eutardigrada: Macrobiotidae, richtersi group) from Costa Rican rain forest (Central America). New Zealand Journal of Zoology 33: 189-196.
  • Michalczyk Ł., Kaczmarek Ł. 2006. Macrobiotus huziori, a new species of Tardigrada (Eutardigrada: Macrobiotidae) from Costa Rica (Central America). Zootaxa 1169: 47-59.
  • Michalczyk Ł., Kaczmarek Ł. 2006. Revision of the Echiniscus bigranulatus group with a description of a new species Echiniscus madonnae (Tardigrada: Heterotardigrada: Echiniscidae) from South America. Zootaxa 1154: 1-26.
  • Kaczmarek Ł., Beasley C.W., Michalczyk Ł. 2006 New records of tardigrades from China with zoogeographical remarks. Biological Letters 43(1): 3-10.

2005

  • Michalczyk Ł., Kaczmarek Ł. 2005. Thulinius ruffoi Bertolani, 1981 - rodzaj i gatunek niesporczaka (Tardigrada) nowy dla fauny Polski. Przegląd Zoologiczny XLIX (1-2): 57-59.
  • Kaczmarek Ł., Michalczyk Ł., Degma P. 2005. A new species of Tardigrada Bryodelphax brevidentatus sp. nov. (Heterotardigrada: Echiniscidae) from China (Asia). Zootaxa 1080: 33-38.
  • Kaczmarek Ł., Michalczyk Ł., Diduszko D. 2005. Some tardigrades from Siberia (Russia, Baikal region) with a description of Macrobiotus garynahi sp. nov. (Eutardigrada: Macrobiotidae: richtersi group). Zootaxa 1053: 35-45.
  • Michalczyk Ł., Kaczmarek Ł. 2005. The first record of the genus Calohypsibius Thulin, 1928 (Eutardigrada: Calohypsibiidae) from Chile (South America) with a description of a new species Calohypsibius maliki. New Zealand Journal of Zoology 32: 287-292.
  • Michalczyk Ł., Kaczmarek Ł., Claxton S., K. 2005. Minibiotus weglarskae, a new species of Tardigrada (Eutardigrada: Macrobiotidae) from Mongolia. Zootaxa 1008: 47-56.

2004

  • Kaczmarek Ł., Michalczyk Ł. 2004. Macrobiotus macrocalix Bertolani & Rebecchi, 1993 - nowy gatunek niesporczaka (Tardigrada) dla fauny Polski. Badania Fizjograficzne nad Polską Zachodnią, Seria C - Zoologia 50: 39-43.
  • Kaczmarek Ł. 2004. Niesporczaki (Tardigrada) Rezerwatu „Meteoryt Morasko". Badania Fizjograficzne nad Polską Zachodnią, Seria C - Zoologia 50: 35-37.
  • Michalczyk Ł., Kaczmarek Ł. 2004. Minibiotus eichhorni sp. nov., a new species of eutardigrade (Eutardigrada: Macrobiotidae) from Peru; Annales Zoologici 54 (4): 673-676.
  • Kaczmarek Ł., Michalczyk Ł. 2004. The first record of water bears (Tardigrada) from Jordan; Dirasat, Pure Sciences 31(2): 154-157.
  • Kaczmarek Ł., Michalczyk Ł., Beasley C. W. 2004. Milnesium katarzynae sp. nov., a new species of eutardigrade (Milnesiidae) from China. Zootaxa 743: 1-5.
  • Kaczmarek Ł., Michalczyk Ł. 2004. First record of the genus Doryphoribius Pilato, 1969 from Costa Rica (Central America) and description of a new species Doryphoribius quadrituberculatus (Tardigrada: Hypsibiidae); Genus 15 (3): 447-453.
  • Kaczmarek Ł., Michalczyk Ł. 2004. Notes on some tardigrades from South Africa, with the description of Diphascon (Diphascon) zaniewi sp. nov. (Eutardigrada: Hypsibiidae). Zootaxa 576: 1-6.
  • Kaczmarek Ł., Michalczyk Ł. 2004. New species Bryodelphax asiaticus sp. nov. from Mongolia (Tardigrada: Heterotardigrada: Echiniscidae). Raffles Zoology 52(2): 599-602.
  • Kaczmarek Ł., Michalczyk Ł. 2004. Diphascon (Diphascon) ilitsi (Schuster et Grigarick, 1965) - gatunek niesporczaka (Tardigrada) nowy dla fauny Polski; Przegląd Zoologiczny XLVIII (1-2): 97-98.
  • Kaczmarek Ł., Michalczyk Ł. 2004. Isohypsibius archangajensis, a new species of eutardigrada (Hypsibidae) from Mongolia; Annales Zoologici 54 (2): 467-470.
  • Kaczmarek Ł., Michalczyk Ł. 2004. New records of Tardigrada from Cyprus with a description of the new species Macrobiotus marlenae (Eutardigrada: Macrobiotidae, hufelandi group); Genus 15 (1): 141-152.

2003

  • Kaczmarek Ł., Michalczyk Ł. 2003. Niesporczaki (Tardigrada) Wielkopolskiego Parku Narodowego (Polska zachodnio-centralna); Salamandra 7: 55-64.
  • Michalczyk Ł., Kaczmarek Ł. 2003. A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, ‘harmsworthi group') with some remarks on the on the oral cavity armature within the genus Macrobiotus; Zootaxa 331: 1-24.
  • Kaczmarek Ł., Michalczyk Ł. 2003. Isohypsibius marcellinoi Binda et. Pilato, 1971 - nowy gatunek niesporczaka (Tardigrada) dla fauny Polski; Przegląd Zoologiczny XLVII (1-2): 95-96
  • Pilato G., Kaczmarek Ł., Michalczyk Ł., Lisi O. 2003. Macrobiotus polonicus, a new species of Tardigrada from Poland (Eutardigrada: Macrobiotidae, ‘hufelandi group'); Zootaxa 258: 1-8
  • Michalczyk Ł., Kaczmarek Ł. 2003. Water Bears (Tardigrada) of the Bieszczady Mountains (Poland, West Carpathians); Zootaxa 242: 1-24.
  • Michalczyk Ł., Kaczmarek Ł. 2003. Minibiotus constellatus, a new species of Tardigrada from Peru (Eutardigrada: Macrobiotidae); Genus 14 (2): 295-305.
  • Kaczmarek Ł., Michalczyk Ł. 2003. Platicrista horribilis, a new species of Tardigrada (Eutardigrada: Hypsibiidae) from Mongolia; Zootaxa 132: 1-8.
  • Kaczmarek Ł. 2003. New records of and key to Tardigrada from Costa Rica; Zootaxa 177: 1-4.

2002

  • Kaczmarek Ł., Michalczyk Ł., Węglarska B. 2002. Itaquascon mongolicus, a new species of Eutardigrada from Mongolia (Eutardigrada: Hypsibiidae); Genus 13 (1): 1-3.
  • Kaczmarek Ł., Michalczyk Ł. 2002. Niesporczaki (Tardigrada) Rezerwatu „Wąwóz Myśliborski" (Park Krajobrazowy Chełmy); Salamandra 6: 29-33.
  • Kaczmarek Ł., Michalczyk Ł. 2002. Echiniscus barbarae, a new species of tardigrade from Cuba Island (Tardigrada: Heterotardigrada, Echiniscidae, "arctomys group"); Zootaxa 53: 1-4.
  • Kaczmarek Ł., Michalczyk Ł. 2002. Calohypsibius schusteri Nelson et. McGlothlin, 1996 and Macrobiotus crenulatus Richters, 1904 - gatunki niesporczaków (Tardigrada) nowe dla fauny Polski; Przegląd Zoologiczny XLVI, 1-2: 67-69.
  • Kaczmarek Ł., Beasley C. W. 2002 Water bears (Tardigrada) of China; Fauna of China (Z. Q. Zhang ed.) 4:65-76.

2001

  • Kaczmarek Ł., Michalczyk Ł. 2001. Wodne misie czyli niesporczaki znane i nieznane; Materiały V przeglądu Działalności Studenckich Kół Naukowych Przyrodników; Wrocław, 129-132.

2000

  • Kaczmarek Ł., Błaszak C. 2000. Niesporczaki (Tardigrada) Bieszczadów; Monografie Bieszczadzkie. 7: 29-33.