Dr. £ukasz Michalczyk

 

Address:

Department of Entomology
Institute of Zoology
Jagiellonian University
Gronostajowa 9
30-387 Kraków
Poland

E-mail: LM@tardigrada.net


Employment:

2012-Present: Associate Professor at the Institute of Zoology and Biomedical Research, Jagiellonian University, Kraków, Poland.

2009-2012: Senior Research Associate at the School of Biological Sciences, University of East Anglia, Norwich, UK.


Academic degrees:

DSc in Biology
Jagiellonian University, Kraków, Poland
Obtained in 20
17

PhD in Evolutionary Ecology
University of East Anglia, Norwich, UK
Obtained in 2009

MSc in General Biology
Jagiellonian University, Kraków, Poland
Obtained in 2004


Interests:

  • Evolutionary Biology: sexual selection, sexual conflict, cryptic female choice, sperm competition, mating systems, inbreeding depression, reproductive isolation.
  • Tardigrada: taxonomy, phylogeny, evolution, biogeography, faunistics, morphology, phenotypic plasticity.

Published peer-reviewed papers:

N

 Reference  Link/s

115

Stec, D., Roszkowska, M., Kaczmarek, £. & Michalczyk, £. (2018) Paramacrobiotus lachowskae, a new species of Tardigrada from Colombia (Eutardigrada: Parachela: Macrobiotidae). New Zealand Journal of Zoology, 45(1): 43-60.
PDF available on request

114

Kaczmarek, £. & Michalczyk, £. (2017) The Macrobiotus hufelandi (Tardigrada) group revisited. Zootaxa, 4363(1): 101-123.
PDF available on request

113

Kaczmarek, £. & Michalczyk, £. (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.
PDF available on request

112

G¹siorek, P., Zawierucha, K., Stec. D. & Michalczyk, £. (2017) Integrative redescription of a common Arctic water bear Pilatobius recamieri (Richters, 1911). Polar Biology, 40(11): 2239-2252.
PDF available on request

111

G¹siorek, P., Stec, D., Morek, W. & Michalczyk, £. (2017) An integrative redescription of Echiniscus testudo (Doyère, 1840), the nominal taxon for the class Heterotardigrada (Ecdysozoa: Panarthropoda: Tardigrada). Zoologischer Anzeiger, 270: 107-122.
PDF available on request

110

Lewandowski, M., Kusiak, M.A., Michalczyk, £., Szmigiel, D., Sledziewska-Gojska, E., Barzycka, B., Wawrzyniak, T., Luks, B., Thordarson, T., Wilde, S.A & Hoskuldsson, A. (2017) Message in a stainless steel bottle thrown into deep geological time. Gondwana Research, 52: 139-141.
PDF available on request

109

Mapalo, M., Stec, D., Mirano-Bascos, D. & Michalczyk, £. (2017) An integrative description of a limnoterrestrial tardigrade from the Philippines, Mesobiotus insanis, new species (Eutardigrada: Macrobiotidae: harmsworthi group). Raffles Bulletin of Zoology, 65: 440-454. Article
PDF available on request

108

Stec, D., Zawierucha, K. & Michalczyk, £. (2017) An integrative description of Ramazzottius subanomalus (Biserov, 1985) (Tardigrada) from Poland. Zootaxa, 4300(3): 403-420.
PDF available on request

107

G¹siorek, P., Morek, W., Stec, D., Marnissi, J. & Michalczyk, £. (2017) The tardigrade fauna of Tunisia, with an integrative description of Bryodelphax maculatus sp. nov. (Tardigrada: Heterotardigrada: Echiniscoidea). African Zoology, 52(2): 77-89.
PDF available on request

106

McInnes, S.J., Michalczyk, £. & Kaczmarek, £. (2017) Annotated zoogeography of non-marine Tardigrada. Part IV: Africa. Zootaxa, 4284 (1): 1-74.
PDF available on request

105

Stec, D., Morek, W., G¹siorek, P., Blagden, B. & Michalczyk, £. (2017) Description of Macrobiotus scoticus sp. nov. (Tardigrada: Macrobiotidae: hufelandi group) from Scotland by means of integrative taxonomy. Annales Zoologici, 67(2): 181-197.
PDF available on request

104

Godwin, J.L., Vasudeva, R., Michalczyk, £., Martin, O.Y., Lumley, A.J., Chapman, T. & Gage, M.J.G. (2017) Sperm competition intensity selects for longer and more costly sperm. Evolution Letters, 1(2): 102-113.
PDF available on request

103

Martin, O.Y., Michalczyk, £., Millard, A.L., Emerson, B.C. & Gage, M.J.G. (2017) Lack of support for Rensch’s rule in an intraspecific test using red flour beetle (Tribolium castaneum) populations. Insect Science, 42(1): 133-140.
PDF available on request

102

Stec, D., Morek, W., G¹siorek, P., Kaczmarek, £. & Michalczyk, £. (2016) Determinants and taxonomic consequences of extreme egg shell variability in Ramazzottius subanomalus (Biserov, 1985) (Tardigrada). Zootaxa, 4208(2): 176-188.
PDF available on request

101

Kaczmarek, £., Michalczyk, £. & McInnes, S.J. (2016) Annotated zoogeography of non-marine Tardigrada. Part III: North America and Greenland. Zootaxa, 4203(1): 1-249.
PDF available on request

100

Koszty³a, P., Stec, D., Morek, W., G¹siorek, P., Zawierucha, K., Michno, K., Ufir, K., Ma³ek, D., Hlebowicz, K., Laska, A., Dudziak, M., Frohme, M., Prokop, Z.M., Kaczmarek, £. & Michalczyk, £. (2016) Experimental taxonomy confirms the environmental stability of morphometric traits in a taxonomically challenging group of microinvertebrates. Zoological Journal of the Linnean Society, 178(4): 765-775.
PDF available on request

99

Stec, D., G¹siorek, P., Morek, W., Koszty³a, P., Zawierucha, K., Michno, K., Kaczmarek, £., Prokop, Z.M. & Michalczyk, £. (2016) Estimating optimal sample size for tardigrade morphometry. Zoological Journal of the Linnean Society, 178(4): 776-784.
PDF available on request

98

Morek, W., Stec, D., G¹siorek, P., Schill, R.O., Kaczmarek, £. & Michalczyk, £. (2016) An experimental test of eutardigrade preparation methods for light microscopy. Zoological Journal of the Linnean Society, 178(4): 785-793.
PDF available on request

97

Kaczmarek, £., Go³dyn, B., McInnes, S.J. & Michalczyk, £. (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.
PDF available on request

96

Roszkowska, M., Bartels, P.J., Go³dyn, B., Ciobanu, D., Fontoura, P., Michalczyk, £., Nelson, D.R., Ostrowska, M., Moreno-Talamantes, A. & Kaczmarek, £. (2016) Is the gut content of Milnesium (Eutardigrada) related to buccal tube size? Zoological Journal of the Linnean Society, 178(4): 794-803.
PDF available on request

95

G¹siorek, P., Stec, D., Morek, W., Zawierucha, K., Kaczmarek, £., Lachowska-Cierlik, D. & Michalczyk, £. (2016) An integrative revision of Mesocrista Pilato, 1987 (Tardigrada: Eutardigrada: Hypsibiidae). Journal of Natural History, 50(45-46): 2803-2828.
PDF available on request

94

Mapalo, M., Stec, D., Mirano-Bascos, D.M. & Michalczyk, £. (2016) Mesobiotus philippinicus sp. nov., the first limnoterrestrial tardigrade from the Philippines. Zootaxa, 4126(3): 411-426.
PDF available on request

93

Morek, W., G¹siorek, P., Stec, D., Blagden, B. & Michalczyk, £. (2016) Experimental taxonomy exposes ontogenetic variability and elucidates the taxonomic value of claw configuration in Milnesium Doyère, 1840 (Tardigrada: Eutardigrada: Apochela). Contributions to Zoology, 85(2): 173-200. Article
PDF available on request

92

Stec, D., Smolak, R., Kaczmarek, £. & Michalczyk, £. (2015) An integrative description of Macrobiotus paulinae sp. nov. (Tardigrada: Eutardigrada: Macrobiotidae: hufelandi group) from Kenya. Zootaxa, 4052(5): 501-526.
PDF available on request

91

Sobczyk, M., Michno, K., Koszty³a, P., Stec, D. & Michalczyk, £. (2015) Tolerance to ammonia of Thulinius ruffoi (Bertolani, 1981), a tardigrade isolated from a sewage treatment plant. Bulletin of Environmental Contamination and Toxicology, 5(6): 721-727.
PDF available on request

90

Lumley, A.J., Michalczyk, £., Kitson, J.J.N., Spurgin, L.G., Morrison, C.A., Godwin, J.L., Dickinson, M.E., Martin, O.Y., Emerson, B.C., Chapman, T. & Gage, M.J.G. (2015) Sexual selection protects against extinction. Nature, 522: 470-473.
PDF available on request

89

Hangartner, S., Michalczyk, £., Gage, M.J.G. & Martin, O.Y. (2015) Experimental removal of sexual selection leads to decreased immune investment in female Tribolium castaneum. Infection, Genetics & Evolution, 33: 212-218.
PDF available on request

88

Zawierucha, K., Cytan, J., Smykla, J., Wojczulanis-Jakubas, K., Kaczmarek, £., Kosicki, J.Z. & Michalczyk, £. (2015) Sea bird guano boosts body size of water bears (Tardigrada) inhabiting the Arctic tundra. Polar Biology, 38(4): 579-582.
PDF available on request

87

Kaczmarek, £., Michalczyk, £. & McInnes, S.J. (2015) Annotated zoogeography of non-marine Tardigrada. Part II: South America. Zootaxa 3923(1): 1-107.
PDF available on request

86

Zawierucha, Smykla, J., Michalczyk, £., Go³dyn, B. & Kaczmarek, £. (2015) Distribution and diversity of Tardigrada along altitudinal gradients in the Hornsund, West Spitsbergen (Arctic). Polar Research, 34: 24168.
PDF available on request

85

Bartels, P.J., Nelson, D.R., Kaczmarek, £. & Michalczyk, £. (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.
PDF available on request

84

Zawierucha, K., Dziamiźcki, J., Jakubowska, N., Michalczyk, £. & Kaczmarek, £. (2014) New records of tardigrades in the Baltic states with the description of Minibiotus formosus sp. nov. (Eutardigrada, Macrobiotidae). Zookeys, 408: 81-105.
PDF available on request

83

Kaczmarek, £., Cytan, J., Zawierucha, K., Diduszko, D. & Michalczyk, £. (2014) Tardigrades from Peru (South America), with descriptions of three new species of Parachela. Zootaxa, 3790(2): 357-379.
PDF available on request

82

Kaczmarek, £., Janko, K., Smykla, J. & Michalczyk, £. (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.
PDF available on request

81

Demont, M., Grazer, V.M., Michalczyk, £., Millard, A.L., Emerson, B.C., Sbilordo, S.H., Gage, M.J.G. & Martin, O.Y. (2014) Experimental removal of sexual selection reveals adaptations to polyandry in both sexes. Evolutionary Ecology, 41: 62-70.
PDF available on request

80

Grazer, V.M., Demont, M., Michalczyk, £., Gage, M.J.G. & Martin, O.Y. (2014) Environmental quality alters female costs and benefits of evolving under enforced monogamy. BMC Evolutionary Biology, 14: 21.
PDF available on request

79

Kaczmarek, £., Michalczyk, £. & McInnes, S.J. (2014) Annotated zoogeography of non-marine Tardigrada. Part I: Central America. Zootaxa, 3763(1): 1-62.
PDF available on request

78

Zawierucha, K., Coulson, S., Michalczyk, £. & Kaczmarek, £. (2013) Current knowledge of the Tardigrada of Svalbard with the first records of water bears from Nordaustlandet (High Arctic). Polar Research, 32: 20886.
PDF available on request

77

Hangartner, S., Sbilordo, S., Michalczyk, £., Gage, M.J.G. & Martin, O.Y. (2013) Are there genetic trade-offs between immune and reproductive investments in Tribolium castaneum? Infection, Genetics & Evolution, 19: 45-50.
PDF available on request

76

Michalczyk, £. & Kaczmarek, £. (2013) The Tardigrada Register: a comprehensive online data repository for tardigrade taxonomy. Journal of Limnology, 72(S1): 175-181.
PDF available on request

75

Zawierucha, K., Grzelak, K., Kotwicki, L., Michalczyk, £. & Kaczmarek, £. (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. Article
PDF available on request

74

Kaczmarek, £., Jakubowska, N. & Michalczyk, £. (2012) Current knowledge on Turkish tardigrades with a description of Milnesium beasleyi sp. nov. (Eutardigrada: Apochela: Milnesiidae, the granulatum group). Zootaxa, 3589: 49-64. Abstract
PDF available on request

73

Zawierucha, K., Michalczyk, £. & Kaczmarek, £. (2012) The first record of Tardigrada from the Republic of Zambia, with a description of Doryphoribius niedbalai sp. nov. (Eutardigrada: Isohypsibiidae, the evelinae group). African Zoology, 47(2): 275-284.
PDF available on request

72

Kaczmarek, £., Schabetsberger, R., Litwin, N. & Michalczyk, £. (2012) A new freshwater eutardigrade from Fiji and Vanuatu (Oceania), with remarks on the genus Dactylobiotus. New Zealand Journal of Zoology, 39(4): 311-318.
PDF available on request

71

Prokop, Z.M., Michalczyk, £., Drobniak, S.M., Herdegen, M. & Radwan, J. (2012) Meta-analysis suggests choosy females get sexy sons more than “good genes”. Evolution, 66(9): 2665-2673.
PDF available on request

70

Kaczmarek, £., Zawierucha, K., Smykla, J. & Michalczyk, £. (2012) Tardigrada of the Revdalen (Spitsbergen) with the descriptions of two new species: Bryodelphax parvuspolaris (Heterotardigrada) and Isohypsibius coulsoni (Eutardigrada). Polar Biology, 35(7): 1013-1026.
PDF available on request

69

Michalczyk, £., We³nicz, W., Frohme, M. & Kaczmarek, £. (2012) Redescriptions of three Milnesium Doyère, 1840 taxa (Tardigrada: Eutardigrada: Milnesiidae), including the nominal species for the genus. Zootaxa, 3154: 1-20. Abstract
PDF available on request

68

Kaczmarek, £., Diduszko, D. & Michalczyk, £. (2011) New records of Mexican Tardigrada. Revista Mexicana de Biodiversidad, 82(4): 1324-1327. Article
PDF available on request

67

Michalczyk, £., Millard, A.L, Martin, O.Y., Lumley, A.J., Emerson, B.E., Chapman, T. & Gage, M.J.G. & (2011) Inbreeding promotes female promiscuity. Science, 333(6050): 1739-1742.
PDF available on request

66

Smykla, J., Kaczmarek, £., Huzarska, K. & Michalczyk, £. (2011) The first record of a rare marine tardigrade, Halobiotus crispae Kristensen, 1982 (Eutardigrada: Hypsibiidae), from the Svalbard Archipelago. Polar Biology,  34: 1243-1247.
PDF available on request

65

Kaczmarek, £., Go³dyn, B., We£nicz, W. & Michalczyk, £. (2011) Ecological factors determining Tardigrada distribution in Costa Rica. Journal of Zoological Systematics and Evolutionary Research, 49(S1): 78-83.
PDF available on request

64

Bartels, P.J. Nelson, D.R., Kaczmarek, £. & Michalczyk, £. (2011) Ramazzottius belubellus, a new species of Tardigrada (Eutardigrada: Parachela: Hypsibiidae) from the Great Smoky Mountains National Park (North Carolina, USA). Proceedings of the Biological Society of Washington, 124(1): 23-27.
PDF available on request

63

Michalczyk, £., Millard, A.L, Martin, O.Y., Lumley, A.J., Emerson, B.E. & Gage, M.J.G. & (2011) Experimental evolution exposes female and male responses to sexual selection and conflict in Tribolium castaneum. Evolution, 65(3): 713-724.
PDF available on request

62

Kaczmarek, £., Go³dyn, B., Prokop, Z.M. & Michalczyk, £. (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. Abstract
PDF available on request

61

Kaczmarek, £., Go³dyn, B., Czyæ, M. & Michalczyk, £. (2010) The first records of Isohypsibius pushkini Tumanov, 2003 (Eutardigrada, Hypsibiidae) from Poland. Biological Letters, 47(2): 81-85.
PDF available on request

60

Michalczyk, £., Martin, O.Y., Millard, A.L, Emerson, B.E. & Gage, M.J.G. & (2010) Inbreeding depresses sperm competitiveness, but not fertilization or mating success in male Tribolium castaneum. Proceedings of the Royal Society (Series B), 277: 3483-3491.
PDF available on request

59

Claxton, S.K., Beasley, C.W., Kaczmarek, £. & Michalczyk, £. (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.
PDF available on request

58

Kaczmarek, £. & Michalczyk, £. (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. Abstract
PDF available on request

57

Kaczmarek, £. & Michalczyk, £. (2010) Redescription of Dactylobiotus grandipes (Schuster, Toftner & Grigarick, 1978), the type species for the genus Dactylobiotus (Tardigrada: Macrobiotidae). Genus, 21(1): 155-162. Article
PDF available on request

56

Michalczyk, £. & Kaczmarek, £. (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. Abstract
PDF available on request

55

Kristensen, R.M., Michalczyk, £. & Kaczmarek, £. (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. Abstract
PDF available on request

54

Kaczmarek, £. & Michalczyk, £. (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. Abstract
PDF available on request

53

Kaczmarek, £. & Michalczyk, £. (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.
PDF & hardcopy available on request

52

Kaczmarek, £. & Michalczyk, £. (2008) New records of Water Bears (Tardigrada, Eutardigrada) from Romania. Studia Universitatis “Vasile Goldis”, Seria Stiintele Vietii, 18(Suppl.): 167-169.  
PDF available on request

51

Bartels, P.J., Nelson, D.R., Kaczmarek, £. & Michalczyk, £. (2008) Three new species and one new record of the genus Doryphoribius Pilato, 1969 (Tardigrada: Eutardigrada: Hypsibiidae) from the Great Smoky Mountains National Park (Tennessee, USA). Journal of Natural History, 42(41-42): 2595-2608.
PDF available on request

50

Kaczmarek, £., Michalczyk, £. & Eggermont, H. (2008) Dactylobiotus luci, a new freshwater tardigrade (Eutardigrada, Macrobiotidae) from the Rwenzori Mountains (Uganda/DR Congo). African Zoology, 43(2): 150-155.
PDF available on request

49

Vicente, F., Michalczyk, £., Kaczmarek, £. & Boavida, M.-J. (2008) Observations on Pyxidium tardigradum (Ciliophora), a protozoan living on Eutardigrada: infestation, morphology and feeding behaviour. Parasitology Research, 103: 1323-1331.
PDF available on request

48

Beasley, C.W., Kaczmarek, £. & Michalczyk, £. (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.
PDF available on request

47

Degma, P., Michalczyk, £. & Kaczmarek, £. (2008) Macrobiotus derkai, a new species of Tardigrada (Eutardigrada, Macrobiotidae, huziori group) from the Colombian Andes (South America). Zootaxa, 1731: 1-23. Abstract
PDF available on request

46

Bartels, P.J., Nelson, D.R., Kaczmarek, £. & Michalczyk, £. (2007) Doryphoribius smokiensis, a new species of Eutardigrada (Hypsibiidae) from the Great Smoky Mountains National Park, TN, USA (North America). Zootaxa, 1646: 56-65. Abstract
PDF available on request

45

Kaczmarek, £., Michalczyk, £. & Degma, P. (2007) Description of a new tardigrade, Macrobiotus barbarae (Eutardigrada: Macrobiotidae), from the Dominican Republic. Annales Zoologici, 57(3): 363-369.  
PDF available on request

44

Kaczmarek, £. & Michalczyk, £. (2007) A new species of Tardigrada (Eutardigrada: Milnesiidae): Milnesium krzysztofi from Costa Rica (Central America). New Zealand Journal of Zoology, 34: 297-302. Abstract
PDF available on request

43

Chang, C.Y., Kaczmarek, £., Lee, J.M. & Michalczyk, £. (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.  
PDF available on request

42

Michalczyk, £. & Kaczmarek, £. (2007) Echiniscus ganczareki, a new species of Tardigrada (Heterotardigrada: Echiniscidae: bigranulatus group) from Costa Rica. Zootaxa, 1471: 15-25. Abstract
PDF available on request

41

Beasley, C.W., Kaczmarek, £. & Michalczyk, £. (2006) Redescription of Doryphoribius vietnamensis (Iharos, 1969) comb. nov. on the basis of the holotype and additional material from China. Acta Zoologica Academiae Scientiarum Hungaricae, 52(4): 367-372. Article
PDF available on request

40

Kaczmarek, £. & Michalczyk, £. (2006) Thulinius itoi comb. nov. a new systematic position for Isohypsibius itoi (Tsurusaki, 1980) (Tardigrada: Eutardigrada: Hypsibiidae). Zootaxa, 1373: 65-68. Abstract
PDF available on request

39

Michalczyk, £., Kaczmarek, £. & Weglarska, B. (2006) Macrobiotus sklodowskae sp. nov. (Tardigrada: Eutardigrada: Macrobiotidae, richtersi group) from Cyprus. Zootaxa, 1371: 45-56. Abstract
PDF available on request

38

Kaczmarek, £., Beasley, C.W. & Michalczyk, £. (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.
PDF available on request

37

Kaczmarek, £. & Michalczyk, £. (2006) Redescription of Macrobiotus tridigitus Schuster, 1983 and erection of a new genus of Tardigrada (Eutardigrada, Macrobiotidae). Journal of Natural History, 40(19-20): 1223-1229.
PDF available on request

36

Kaczmarek, £., Michalczyk, £. & Guidetti, R. (2006) Description of the new species Calcarobiotus (C.) longinoi sp. nov., (Eutardigrada: Macrobiotidae) from Costa Rica (Central America) with the diagnostic key to the genus Calcarobiotus. Italian Journal of Zoology, 73(3): 247-253.
PDF available on request

35

Michalczyk, £. & Kaczmarek, £. (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. Abstract
PDF available on request

34

Kaczmarek, £., Michalczyk, £. & Diduszko, D. (2006) Ramazzottius bunikowskae, a new species of Tardigrada (Eutardigrada: Hypsibiidae) from Russia. Zootaxa, 1229: 49-57. Abstract
PDF available on request

33

Kaczmarek, £. & Michalczyk, £. (2006) Tardigrada fauna of Mongolia (Central Asia) with a description of Isohypsibius altai sp. nov. (Eutardigrada: Hypsibiidae). Zoological Studies, 45(1): 11-23. Article
PDF available on request

32

Michalczyk, £. & Kaczmarek, £. (2006) Macrobiotus huziori, a new species of Tardigrada (Eutardigrada: Macrobiotidae) from Costa Rica (Central America). Zootaxa, 1169: 47-59. Abstract
PDF available on request

31

Beasley, C.W., Kaczmarek, £. & Michalczyk, £. (2006) New records of tardigrades from China, with zoogeographical remarks. Biological Letters, 43(1): 13-20. Article
PDF available on request

30

Michalczyk, £. & Kaczmarek, £. (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. Abstract
PDF available on request

29

Kaczmarek, £., Michalczyk, £. (2005) Thulinius ruffoi Bertolani, 1981 - a genus and species of water bear (Tardigrada) new to the fauna of Poland. Przegl¹d Zoologiczny, 49(1-2): 57-59. [Polish + English abstract]  
PDF & hardcopy available on request

28

Kaczmarek, £., Michalczyk, £. & Degma, D. (2005) A new species of Tardigrada Bryodelphax brevidentatus sp. nov. (Heterotardigrada: Echiniscidae) from China (Asia). Zootaxa, 1080: 33-38.

Abstract
PDF available on request

27

Kaczmarek, £., Michalczyk, £. & 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.

Abstract
PDF available on request

26

Michalczyk, £. & Kaczmarek, £. (2005) The first record of the genus Calohypsibius Thulin, 1928 (Eutardigrada: Calohypsibiidae) from Chile (South America) with a description of the new species Calohypsibius maliki. New Zealand Journal of Zoology, 32: 287-292.

Abstract
PDF available on request

25

Michalczyk, £., Kaczmarek, £. & Claxton, S.K. (2005) Minibiotus weglarskae, a new species of Tardigrada (Eutardigrada: Macrobiotidae) from Mongolia. Zootaxa, 1008: 47-56.

Abstract

PDF available on request

24

Radwan, J., Michalczyk, £. & Prokop, Z. (2005) Age dependence of male mating ability and sperm competition success in the bulb mite. Animal Behaviour, 69(5): 1101-1105.

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23

Kaczmarek, £. & Michalczyk, £. (2004) A new species Bryodelphax asiaticus (Tardigrada: Heterotardigrada: Echiniscidae) from Mongolia (Central Asia). Raffles Bulletin of Zoology, 52(2): 599-602.

Article

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22

Kaczmarek, £. & Michalczyk, £. (2004) Macrobiotus macrocalix Bertolani & Rebecchi, 1993 – a species of water bear (Tardigrada) new to the fauna of Poland. Badania Fizjograficzne nad Polsk¹ Zachodni¹, Seria C – Zoologia, 50: 39-43. [Polish + English abstract]

 

Hardcopy available on request

21

Michalczyk, £. & Kaczmarek, £. (2004) Minibiotus eichhorni, a new species of Tardigrada (Eutardigrada, Macrobiotidae) from Peru. Annales Zoologici, 54(4): 673-676.

 

PDF & hardcopy available on request

20

Kaczmarek, £. & Michalczyk, £. (2004) The first record of water bears (Tardigrada) from Jordan. Dirasat (Pure Sciences), 31(2): 154-157.

 

PDF available on request

19

Kaczmarek, £., Michalczyk, £. & Beasley, C.W. (2004) Milnesium katarzynae, a new species of eutardigrade (Milnesiidae) from China. Zootaxa, 743: 1-5.

Abstract

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18

Kaczmarek, £. & Michalczyk, £. (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.

Article

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17

Kaczmarek, £. & Michalczyk, £. (2004) Notes on some tardigrades from South Africa, with the description of Diphascon (Diphascon) zaniewi sp. nov. (Eutardigrada: Hypsibiidae). Zootaxa, 576: 1-6.

Abstract

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16

Kaczmarek, £. & Michalczyk, £. (2004) Diphascon (Diphascon) ilitsi (Schuster et Grigarick, 1965) – a species of water bear (Tardigrada) new to the fauna of Poland. Przeglad Zoologiczny, 48(1-2): 97-98. [Polish + English abstract]

 

PDF & hardcopy available on request
15

Kaczmarek, £. & Michalczyk, £. (2004) Isohypsibius archangajensis, a new species of Eutardigrada (Hypsibiidae) from Mongolia. Annales Zoologici, 54(2): 467-470.

 Abstract

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14

Kaczmarek, £. & Michalczyk, £. (2004) New records of Tardigrada from Cyprus with a description of the new species Macrobiotus marlenae (hufelandi group) (Eutardigrada: Macrobiotidae). Genus, 15(1): 141-152.

Article

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13

Czarno³źski, M., Michalczyk, £. & Pajdak-Stós, A. (2004) Substrate preference in settling zebra mussels Dreissena polymorpha. Archiv für Hydrobiologie, 159(2): 263-270.

PDF available on request
12

Kaczmarek, £. & Michalczyk, £. (2003) Water Bears (Tardigrada) of the Wielkopolski National Park (Midwestern Poland). Salamandra, 7: 55-64. [Polish + English abstract]

 

PDF & hardcopy available on request
11

Michalczyk, £. & Kaczmarek, £. (2003) A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada, Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze. Zootaxa, 331: 1-24.

Abstract

PDF available on request
10

Pilato, G., Kaczmarek, £., Michalczyk, £. & Lisi, O. (2003) Macrobiotus polonicus, a new species of Tardigrada from Poland (Eutardigrada, Macrobiotidae, 'hufelandi group'). Zootaxa, 258: 1-8.

Abstract

PDF available on request
9

Michalczyk, £. & Kaczmarek, £. (2003) Water Bears (Tardigrada) of the Bieszczady Mountains (Poland, West Carpathians). Zootaxa, 242: 1-24.

Abstract

PDF available on request
8

Kaczmarek, £. & Michalczyk, £. (2003) Isohypsibius marcellinoi Binda et Pilato, 1971 – new species of water bear (Tardigrada) to the fauna of Poland. Przegl¹d Zoologiczny, 47(1-2): 95-96. [Polish + English abstract]

 

PDF & hardcopy available on request
7

Michalczyk, £. & Kaczmarek, £. (2003) Minibiotus constellatus, a new species of Tardigrada (Eutardigrada, Macrobiotidae) from Peru. Genus, 14(2): 295-305.

Article

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6

Kaczmarek, £. & Michalczyk, £. (2003) Platicrista horribilis, a new species of Tardigrada (Eutardigrada, Hypsibiidae) from Mongolia. Zootaxa, 132: 1-8.

Abstract

PDF available on request
5

Kaczmarek, £. & Michalczyk, £. (2002) Water Bears (Tardigrada) of "Wawoz Mysliborski" Nature Reserve (Chelmy Lanscape Park). Salamandra, 6: 29-33. [Polish + English abstract]

 
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4

Kaczmarek, £. & Michalczyk, £. (2002) Echiniscus barbarae, a new species of tardigrade from Cuba Island (Tardigrada: Heterotardigrada, Echiniscidae, 'arctomys group'). Zootaxa, 53: 1-4.

Abstract

PDF available on request
3

Kaczmarek, £., Michalczyk, £. & Weglarska, B. (2002) Itaquascon mongolicus, a new species of Eutardigrada from Mongolia (Eutardigrada: Hypsibiidae). Genus, 13(1): 1-3.

Article

PDF & hardcopy available on request
2

Kaczmarek, £. & Michalczyk, £. (2002) Calohypsibius schusteri Nelson et. McGlothlin, 1996 and Macrobiotus crenulatus Richters, 1904 – new species of water bears (Tardigrada) to the fauna of Poland. Przegl¹d Zoologiczny, 46(1-2): 67-69. [Polish + English abstract]

 

PDF & hardcopy available on request
1

Kaczmarek, £. & Michalczyk, £. (2001) Water Bears – tardigrades known and unknown. Materia³y V Przegladu Dzia³alnoœci Studenckich Kó³ Naukowych Przyrodników, 5: 129-132. [Polish + English abstract]

 

Hardcopy available on request

 

 

 

 

 

 

 


Last update: 01-01-2018
Copyright by £ukasz Michalczyk
(2004-2018)

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