What is a ‘ strong’ synapomorphy? Redescriptions of Murray’s type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela) Author Gąsiorek, Piotr Department of Invertebrate Evolution, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30 - 387 Kraków, Poland & Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5 - 7, DK- 1350, Universitetsparken 15, DK- 2100, Copenhagen, Denmark piotr.lukas.gasiorek@gmail.com Author Blagden, Brian Department of Invertebrate Evolution, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30 - 387 Kraków, Poland Author Morek, Witold Department of Invertebrate Evolution, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30 - 387 Kraków, Poland & Tree of Life Programme, Wellcome Sanger Institute, Hinxton, Cambridge CB 10 1 SA, United Kingdom Author Michalczyk, Łukasz Department of Invertebrate Evolution, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30 - 387 Kraków, Poland text Zoological Journal of the Linnean Society 2024 2023-11-14 202 1 1 63 http://dx.doi.org/10.1093/zoolinnean/zlad151 journal article 10.1093/zoolinnean/zlad151 0024-4082 14243740 044A402-2A0F-4135-9410-7DE081CB11C4Corresponding Guidettion prorsirostre ( Thulin, 1928 ) Diphascon prorsirostre ; terra typica : Sweden , Germany , Scotland ; Thulin (1928) . D. prorsirostre ; Örnskoldsvik, Södertalje, Kila, Sweden ; Durante Pasa and Maucci (1979) .