[94 references listed]

Reference	Link/s
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Bertolani, R., guidetti, R., Altiero, T., Nelson, D.R. & Rebecchi, L. (2019) Dormancy in Freshwater Tardigrades. In: Alekseev, V.R & Pinel-Alloul, B. (Eds.), Dormancy in Aquatic Organisms. Theory, Human Use and Modeling; Monographiae Biologicae, 92: 43-51.
Bertolani, R. & Rebecchi, L. (2019) Cytology and Cytogenetics. In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 145-161.
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Coughlan, K. & Stec, D. (2019) Two new species of the Macrobiotus hufelandi complex (Tardigrada: Eutardigrada: Macrobiotidae) from Australia and India, with notes on their phylogenetic position. European Journal of Taxonomy, 573: 1-38.	PDF file available from authors
Cutz-Pool, L.Q., Crisanto, J.I., Pérez-Pech, W.A., Anguas-Escalante, A. & Guidetti, R. (2019) Caracterización de la Fauna de Tardígrados (Ecdysozoa: Tardigrada) de Liquen y Musgo en Dos Sitios con Diferente uso deSuelo, en Quintana Roo, México. In: Cetzal-Ix, W. et al. (ed.) Agroecosistemas tropicales: conservación de recursos naturales y seguridad alimentaria, 193-200.  [in Spanish]
Dastych, H. (2019) Cryobiotus roswithae gen. n., sp. n., a New Genus and Species of Glacier-Dwelling Tardigrades from Northern Norway (Tardigrada, Panarthropoda). Entomologie heute, 31: 95-111.
De León-Espinosa, G.A., Moreno-Talamantes, A. & Rodríguez-Almaraz, G.A. (2019) Ositos de agua (Tardigrada) de México: Los famosos desconocidos. Biología y Sociedad, 2(4): 61-70. [in Spanish]	Article PDF file available from authors
de Oliveira, A.P.L., Calcino, A. & Wanninger, A. (2019) Ancient origins of arthropod moulting pathway components. eLIFE, 8: e46113.
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delBarco-Trillo, J. (2019) Tardigrades in the city: A review of diversity patterns in response to urbanization. Ecological Research, 34(6): 872-878.
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Fujimoto, S. & Ohtsuka, S. (2019) A new genus and species of Stygarctidae (Heterotardigrada: Arthrotardigrada) from Yaku-Shin-Sone bank (Northwest Pacific). Marine Biodiversity, 49(5): 2445-2454.
G¹siorek, P., Blagden, B. & Michalczyk, £. (2019) Towards a better understanding of echiniscid intraspecific variability: a redescription of Nebularmis reticulatus (Murray, 1905) (Heterotardigrada: Echiniscoidea). Zoologischer Anzeiger, 283: 242-255.	PDF file available from authors
G¹siorek, P., Jackson, K.J., Meyer, H.A., Zaj¹c, K., Nelson, D.R., Kristensen, R.M. & Michalczyk, £. (2019) Echiniscus virginicus complex: the first case of pseudocryptic allopatry and pantropical distribution in tardigrades. Biological Journal of the Linnean Society, 128(4): 789-805.
G¹siorek, P., Morek, W., Stec, D., Blagden, B. & Michalczyk, £. (2019) Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela). Zoosystema, 41(6): 71-89.	PDF file available from authors
G¹siorek, P., Morek, W., Stec, D. & Michalczyk, £. (2019) Untangling the Echiniscus Gordian knot: paraphyly of the “arctomys group” (Heterotardigrada: Echiniscidae). Cladistics, 35(6): 633-653.	PDF file available from authors
G¹siorek, P., Stec, D., Morek, W. & Michalczyk, £. (2019) Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence. Contributions to Zoology, 88(1): 78-132.	PDF file available from authors
G¹siorek, P. & Vonèina, K. (2019) New Echiniscidae (Heterotardigrada) from Amber Mountain (Northern Madagascar). Evolutionary Systematics, 3: 29-39.	PDF file available from authors
G¹siorek, P., Vonèina, K. & Michalczyk, £. (2019) Echiniscus testudo (Doyère, 1840) in New Zealand: anthropogenic dispersal or evidence for the "Everything is Everywhere" hypothesis? New Zealand Journal of Zoology, 46(2): 174-181.	PDF file available from authors
Greven, H. (2019) From Johann August Ephraim Goeze to Ernst Marcus: A Ramble Through the History of Early Tardigrade Research (1773 Until 1929). In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 1-55.
Gross, V. & Mayer, G. (2019) Cellular morphology of leg musculature in the water bear Hypsibius exemplaris (Tardigrada) unravels serial homologies. Royal Society Open Science, 6: 191159.
Gross, V., Müller, M., Hehn, L., Ferstl, S., Allner, S., Dierolf, M., Achterhold, K., Mayer, G. & Pfeiffer, F. (2019) X-ray imaging of a water bear offers a new look at tardigrade internal anatomy. Zoological Letters, 5: 14.
Gross, V., Treffkorn, S., Reichelt, J., Epple, L., Lüter, C. & Mayer, G. (2019) Miniaturization of tardigrades (water bears): Morphological and genomic perspectives. Arthropod Structure & Development, 48: 12-19.
Guidetti, R. & Bertolani, R. (2019) Paleontology and Molecular Dating. In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 131-143.
Guidetti, R., Cesari, M., Bertolani, R., Altiero T. & Rebecchi, L. (2019) High diversity in species, reproductive modes and distribution within the Paramacrobiotus richtersi complex (Eutardigrada, Macrobiotidae). Zoological Letters, 5: 1.
Guidetti, R., Massa, E., Bertolani, R., Rebecchi, L. & Cesari, M. (2019) Increasing knowledge of Antarctic biodiversity: new endemic taxa of tardigrades (Eutardigrada; Ramazzottiidae) and their evolutionary relationships. Systematics and Biodiversity, 17(6): 573-593.
Guidetti, R. & Møbjerg, N. (2019) Environmental Adaptations: Encystment and Cyclomorphosis. In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 249-271.
Guil, N., Jørgensen, A. & Kristensen, R.M. (2019) An upgraded comprehensive multilocus phylogeny of the Tardigrada tree of life. Zoologica Scripta, 48(1): 120-137.
Heatwole, H. & Miller, W.R. (2019) Structure of micrometazoan assemblages in the Larsemann Hills, Antarctica. Polar Biology, 42(10): 1837-1848.
Hengherr, S. & Schill, R.O. (2019) Environmental Adaptations: Cryobiosis. In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 295-310.
Jackson, K.J.O. & Meyer, H.A. (2019) Morphological and genetic analysis of Milnesium cf. granulatum (Tardigrada: Milnesiidae) from Northeastern North America. Zootaxa, 4604(3): 497-510.	PDF file available from authors
Janelt, K., Jezierska, M. & Poprawa, I. (2019) The female reproductive system and oogenesis in Thulinius ruffoi (Tardigrada, Eutardigrada, Isohypsibiidae). Arthropod Structure and Development, 50: 53-63.	PDF file available from authors
Jönsson, K.I. (2019) Radiation Tolerance in Tardigrades: Current Knowledge and Potential Applications in Medicine. Cancers, 11(9): 1333.
Jönsson, K.I., Holm, I. & Tassidis, H. (2019) Cell Biology of the Tardigrades: Current Knowledge and Perspectives. In: Tworzydlo, W. & Bilinski, S. (Eds.) Evo-Devo: Non-model Species in Cell and Developmental Biology: 231-249.	PDF file available from authors
Jönsson, K.I., Levine, E.B., Wojcik, A., Haghdoost, S. & Harms-Ringdahl, M. (2019) Environmental Adaptations: Radiation Tolerance. In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 311-310.
Jørgensen, A., Kristensen, R.M. & Møbjerg, N. (2019) Phylogeny and Integrative Taxonomy of Tardigrada. In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 95-114.
Kaczmarek, £., 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. ZooKeys, 884: 1-22.	PDF file available from authors
Kaczmarek, £., 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, 309(1): 1-11.	PDF file available from authors
Kamilari, M., Jørgensen, A., Schiøtt, M. & Møbjerg, N. (2019) Comparative transcriptomics suggest unique molecular adaptations within tardigrade lineages. BMC Genomics, 20: 607.
Kim-Koutsis, A. & Miller, W.R. (2019) Tardigrades of North America: First Records of Six Taxa of Water Bears from New York, U.S.A. Transactions of the Kansas Academy of Science, 122(1-2): 112-118.
Kondo, K., Mori, M., Tomita, M. & Arakawa, K. (2019) AMPK activity is required for the induction of anhydrobiosis in a tardigrade Hypsibius exemplaris, and its potential upregulator is PP2A. Genes to Cells, 24(12): 768-780.
Koshland, D. & Tapia, H. (2019) Desiccation tolerance: an unusual window into stress biology. Molecular Biology of the Cell, 30(6): 737-741.
Lisi, O., Daza, A., Londoño, R., Quiroga, S. & Pilato, G. (2019) Meplitumen aluna gen. nov., sp. nov. an interesting eutardigrade (Hypsibiidae, Itaquasconinae) from the Sierra Nevada de Santa Marta, Colombia. ZooKeys, 865: 1-20.
McInnes, S.J. & Pugh, P.J.A. (2019) Tardigrade Biogeography. In: Schill, R.O. (Ed.) Water Bears: The Biology of Tardigrades, 115-129.
Meier, M.F., Rocha, A.M., Kun, M.E. & Messuti, M.I. (2019) Keys for the identification of genera and species of limnoterrestrial tardigrades (Tardigrada) from the Parque Nacional Nahuel Huapi and surroundings (Patagonia, Argentina). Revista de la Sociedad Entomológica Argentina 78(4): 55-64. [Spanish + English abstract]
Mevenkamp, L., Guilini, K., Boetius, A., De Grave, J., Laforce, B., Vandenberghe, D., Vincze, L. & Vanreusel, A. (2019) Responses of an abyssal meiobenthic community to short-term burial with crushed nodule particles in the South-East Pacific. Biogeosciences, 16: 2329-2341.
Miller, W.R. & Perry, E.S. (2019) Adjustments to the Annotated zoogeography of non-marine Tardigrada. Part III: North America and Greenland by Kaczmarek, Michalczyk & McInnes (Zootaxa 4203). Zootaxa, 4543(1): 99-114.
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Morek, W., Suzuki, A., Schill, R.O., Georgiev, D., Yankova, M., Marley, N. & Michalczyk, £. (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.	PDF file available from authors
Moreno-Talamantes, A. & León-Espinosa, G.A. (2019) New record of Diaforobiotus islandicus (Richters, 1904) (Eutardigrada: Richtersiidae) for Mexico. Árido-Ciencia, 6(1): 5-12.	Article
Moreno-Talamantes, A., Roszkowska, M., García-Aranda, M.A., Flores-Maldonado, J.J. & Kaczmarek, £. (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.	PDF file available from authors
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Muñoz Li, R.R. & Jover Capote, A. (2019) Estado actual del conocimiento y métodos de estudio de tardígrados (Tardigrada: Heterotardigrada, Eutardigrada), con notas sobre los tardígrados muscícolas de Cuba. Poeyana, 508: 18-27. [in Spanish + English abstract]	Article
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Zawierucha, K. & Shain, D.H. (2019) Disappearing Kilimanjaro snow—Are we the last generation to explore equatorial glacier biodiversity? Ecology and Evolution, 9(15): 8911-8918.	PDF file available from authors
Zawierucha, K., Zmudczyñska-Skarbek, K., Guil, N. & Bogdziewicz, M. (2019) Seabirds modify trophic groups, while altitude promotes xeric-tolerant species of Tardigrada in the high Arctic tundra (Svalbard archipelago). Acta Oecologica 98: 50-58.	PDF file available from authors
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