» Łukasz Kaczmarek, Ph.D.

 

2016

  • Kaczmarek Ł., Gołdyn B., McInnes S.J. & Michalczyk Ł. 2016, in press. Diversity of limno-terrestrial tardigrades of the Americas in relation to the Great American Biotic Interchange hypothesis (GABI). Zoological Journal of the Linnean Society.
  • Stec D., Gąsiorek P., Morek W., Kosztyła P., Zawierucha K., Michno K., Kaczmarek Ł., Prokop Z.M. & Michalczyk Ł. 2016, in press. Estimating optimal sample size for tardigrade morphometry. Zoological Journal of the Linnean Society.
  • Kaczmarek Ł. & Roszkowska Ł. 2016, in press. A new eutardigrade from Costa Rica with taxonomical and zoogeographical remarks on Costa Rican tardigrades. New Zealand Journal of Zoology.
  • 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, in press. Is the gut content of Milnesium (Eutardigrada) related to the buccal tube size? Zoological Journal of the Linnean Society.
  • Bąkowski M., Roszkowska M., Gawlak M, & Kaczmarek Ł. 2016, in press. Macrobiotus naskreckii sp. nov. (Eutardigrada: Macrobiotidae), a new tardigrade of the hufelandi group from Mozambique. Annales Zoologici.
  • 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, in press. Experimental taxonomy confirms the value of morphometric traits in a taxonomically challenging group of microinvertebrates. Zoological Journal of the Linnean Society.
  • Morek W., Stec D., Gąsiorek P., Schill R.O., Kaczmarek Ł. & Michalczyk Ł. 2016, in press. Flattened but not deformed – an experimental test of tardigrade preparation methods in Hoyer’s medium for optimal morphometry and imaging in light microscopy. Zoological Journal of the Linnean Society.
  • Stec D., Morek W., Gąsiorek P., Kaczmarek Ł. & Michalczyk Ł. 2016, in press. Determinants and taxonomic consequences of extreme egg shell variability in Ramazzottius subanomalus (Biserov, 1985) (Tardigrada). Zoological Journal of the Linnean Society.
  • 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.

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. »read more

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.
  • Wełnicz 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.