Łukasz Michalczyk

Łukasz Michalczyk, Polish evolutionary biologist and tardigradologist. Founder and co-editor of the Tardigrada Newsletter (www.tardigrada.net).

Department of Entomology, Jagiellonian University, Ingardena 6, 30-060 Kraków, Poland

E-mail: agnostic@poczta.fm

Taxon names authored

(List may be incomplete)

• 5 taxon names authored by Łukasz Michalczyk

Publications

(List may be incomplete)

2002

• Kaczmarek, L., Michalczyk, L. & Węglarska, B. 2002. Itaquascon mongolicus, a new species of Eutardigrada from Mongolia (Eutardigrada: Hypsibiidae). Genus Vol. 13 (1), Wrocław, 10 IV 2002: 1–3. (PDF)

2003

• Kaczmarek, Ł. & Michalczyk, Ł. 2003. Platicrista horribilis, a new species of Tardigrada (Eutardigrada: Hypsibiidae) from Mongolia. Zootaxa 132: 1–8. Abstract & excerpt Reference page. 
• Michalczyk, L. & Kaczmarek, L. 2003. Water Bears (Tardigrada) of the Bieszczady Mountains (Poland, West Carpathians). Zootaxa 242: 1–24.

2004

• Kaczmarek, L., Michalczyk, L. & Beasley, C.W. 2004. Milnesium katarzynae sp. nov., a new species of eutardigrade (Milnesiidae) from China. Zootaxa 743: 1–5.

2005

• Michalczyk, L. & Kaczmarek, L. 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(4): 287–292.

2006

• Kaczmarek, L. & Michalczyk, L. 2006. The Tardigrada Fauna of Mongolia (Central Asia) with a Description of Isohypsibius altai sp. nov. (Eutardigrada: Hypsibiidae). Zoological Studies 45(1): 11–23. full article (PDF). Reference page. 

2007

• Kaczmarek, L. & Michalczyk, L. 2007. A new species of Tardigrada (Eutardigrada: Milnesiidae): Milnesium krzysztofi from Costa Rica (Central America). New Zealand journal of zoology 34: 297–302. Abstract.

2011

• Bartels, P.J., 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. DOI: 10.2988/10-13.1 Reference page. 

2012

• Kaczmarek, Ł., Jakubowska, N. & Michalczyk, Ł. 2012. Current knowledge on Turkish tardigrades with a description of Milnesium beasleyi sp. nov. (Eutardigrada: Apochela: Milnesiidae, the granulatum group). Zootaxa 3589: 49–64. Preview Reference page. 
• Michalczyk, Ł., Wełnicz, W., Frohme, M. & Kaczmarek, Ł. 2012. Redescriptions of three Milnesium Doyère, 1840 taxa (Tardigrada: Eutardigrada: Milnesiidae), including the nominal species for the genus. Zootaxa 3154: 1–20. Preview DOI: 10.11646/zootaxa.3154.1.1 . [Corrigenda in Zootaxa 3393: 66–68. Preview (2012)] Reference page. 

2013

• Kaczmarek, Ł., Janko, K., Smykl, J., Michalczyk, Ł. 2013. Soil tardigrades from the Antarctic Peninsula with a description of a new species and some remarks on the genus Ramajendas (Eutardigrada: Isohypsibiidae). Polar Record. 5(2): 176–182. DOI: 10.1017/S0032247413000168 . Reference page. 

2014

• 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. DOI: 10.11646/zootaxa.3790.2.5 Reference page. 
• Kaczmarek, Ł., Michalczyk, Ł. & McInnes, S.J. 2014. Annotated zoogeography of non-marine Tardigrada. Part I: Central America. Zootaxa 3763(1): 1–62. DOI: 10.11646/zootaxa.3763.1.1 Reference page. 

2015

• Kaczmarek, Ł., Michalczyk, Ł. & McInnes, S.J. 2015. Annotated zoogeography of non-marine Tardigrada. Part II: South America. Zootaxa 3923(1): 1–107. DOI: 10.11646/zootaxa.3923.1.1. Reference page. 
• 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. DOI: 10.11646/zootaxa.4052.5.1. Preview (PDF) Reference page. 

2016

• 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. DOI: 10.11646/zootaxa.4203.1.1. Reference page. 
• Mapalo, M.A., Stec, D., Mirano-Bascos, D. & Michalczyk, Ł. 2016. Mesobiotus philippinicus sp. nov., the first limnoterrestrial tardigrade from the Philippines. Zootaxa 4126(3): 411–426. DOI: 10.11646/zootaxa.4126.3.6. Reference page. 
• Morek, W., Gąsiorek, P., Stec, D., Blagden, B. & Michalczyk, Ł. 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. PDF. Reference page. 
• 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. DOI: 10.11646/zootaxa.4208.2.5. Reference page. 

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. DOI: 10.11646/zootaxa.4363.1.3 Reference page. 
• Kaczmarek, Ł. & Michalczyk, Ł. 2017. The Macrobiotus hufelandi group (Tardigrada) revisited. Zootaxa 4363(1): 101–123. DOI: 10.11646/zootaxa.4363.1.4 Reference page. 
• McInnes, S.J., Michalczyk, Ł. & Kaczmarek, Ł. 2017. Annotated zoogeography of non-marine Tardigrada. Part IV: Africa. Zootaxa 4284(1): 1–74. DOI: 10.11646/zootaxa.4284.1.1. Full article (PDF) ISBN 978-1-77670-166-7 (paperback); ISBN 978-1-77670-167-4 (Online edition) Reference page. 
• Stec, D., Zawierucha, K. & Michalczyk, Ł. 2017. An integrative description of Ramazzottius subanomalus (Biserov, 1985) (Tardigrada) from Poland. Zootaxa 4300(3): 403–420. DOI: 10.11646/zootaxa.4300.3.4. Reference page. 

2018

• Gąsiorek, P., Stec, D., Morek, W. & Michalczyk, L. 2018. An integrative redescription of Hypsibius dujardini (Doyère, 1840), the nominal taxon for Hypsibioidea (Tardigrada: Eutardigrada). Zootaxa 4415(1): 45–75. DOI: 10.11646/zootaxa.4415.1.2 Full article (PDF) Reference page. 
• Stec, D., Arakawa, K. & Michalczyk, Ł. 2018. An integrative description of Macrobiotus shonaicus sp. nov. (Tardigrada: Macrobiotidae) from Japan with notes on its phylogenetic position within the hufelandi group". PLoS ONE 13(2): e0192210. DOI: 10.1371/journal.pone.0192210 Reference page. 
• Stec, D., Kristensen, R.M. & Micalczyk, L. 2018. Integrative taxonomy identifies Macrobiotus papei, a new tardigrade species of the Macrobiotus hufelandi complex (Eutardigrada: Macrobiotidae) from the Udzungwa Mountains National Park (Tanzania). Zootaxa 4446(2): 273–291. DOI: 10.11646/zootaxa.4446.2.7 Reference page. 

2019

• Morek, W., Suzuki, A.C., Schill, R.O., Georgiev, D., Yankova, M., Marley, N.J. & Michalczyk, L. 2019. Redescription of Milnesium alpigenum Ehrenberg, 1853 (Tardigrada: Apochela) and a description of Milnesium inceptum sp. nov., a tardigrade laboratory model. Zootaxa 4586(1): 35–64. DOI: 10.11646/zootaxa.4586.1.2 pdf Reference page. 

2020

• Gąsiorek, P., Stec, D., Zawierucha, K., Kristensen, R.M. & Michalczyk, L. 2018. Revision of Testechiniscus Kristensen, 1987 (Heterotardigrada: Echiniscidae) refutes the polar-temperate distribution of the genus. Zootaxa 4472(2): 261–297. DOI: 10.11646/zootaxa.4472.2.3 Reference page. 
• Gąsiorek, P., Vončina, K. & Michalczyk, L. 2020. An overview of the sexual dimorphism in Echiniscus (Heterotardigrada, Echiniscoidea), with the description of Echiniscus masculinus sp. nov. (the virginicus complex) from Borneo. Zoosystematics and Evolution, 96(1): 103–113. DOI: 10.3897/zse.96.49989 Reference page. 
• Gąsiorek, P., Vončina, K., Degma, P., Michalczyk, L. 2020. Small is beautiful: the first phylogenetic analysis of Bryodelphax Thulin, 1928 (Heterotardigrada, Echiniscidae). Zoosystematics and Evolution. 96(1): 217-236. DOI: 10.3897/zse.96.50821 Reference page. 
• Itang, L.A.M., Stec, D., Mapalo, M.A., Mirano-Bascos, D. & Michalczyk, Ł. 2020. An integrative description of Mesobiotus dilimanensis, a new tardigrade species from the Philippines (Eutardigrada: Macrobiotidae: furciger group). The Raffles Bulletin of Zoology 68: 19–31. DOI: 10.26107/RBZ-2020-0003. . Reference page. 
• Morek, W., Surmacz, B., Michalczyk, Ł. 2020. Novel integrative data for two Milnesium Doyère, 1840 (Tardigrada: Apochela) species from Central Asia. Zoosystematics and Evolution. 96(2): 499-514. DOI: 10.3897/zse.96.52049 Reference page. 
• Stec, D. & Michalczyk, L. 2020. Macrobiotus coronifer Richters, 1903 (type species for Richtersius Pilato & Binda, 1989): designating a new neotype from the original type locality described within the integrative taxonomy framework. Zootaxa 4858(2): 292–294. DOI: 10.11646/zootaxa.4858.2.10 Reference page. 

2023

• Gąsiorek, Blagden, Morek & Michalczyk 2023. What is a ‘strong’ synapomorphy? Redescriptions of Murray’s type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela). Zoological Journal of the Linnean Society, zlad151. DOI: 10.1093/zoolinnean/zlad151 Reference page.