URMO Taxon list
Acanthechiniscus Vecchi, Cesari, Bertolani, Jönsson, Rebecchi & Guidetti, 2016
Acanthechiniscus distinctus (Mihelcic, 1951)
Acanthechiniscus goedeni (Grigarick, Mihelcic & Schuster, 1964)
Acanthechiniscus islandicus (Richters, 1904)
Acanthechiniscus sinensis (Rahm, 1937)
Acanthechiniscus victor (Ehrenberg, 1853)
Actinarctus Schulz, 1935
Actinarctus doryphorus Schulz, 1935
Actinarctus lyrophorus Renaud-Mornant, 1979
Actinarctus neretinus Grimaldi de Zio, D'Addabbo Gallo, Morone de Lucia, Vaccarella & Grimaldi, 1982
Actinarctus physophorus Grimaldi de Zio, D'Addabbo Gallo, Morone de Lucia, Vaccarella & Grimaldi, 1982
Acutuncus Pilato & Binda, 1997
Acutuncus antarcticus (Richters, 1904)
Adorybiotidae Stec, Vecchi & Michalczyk, 2020
Adorybiotus Maucci & Ramazzotti, 1981
Adorybiotus granulatus (Richters, 1903)
Adropion Pilato, 1987
Adropion arduifrons (Thulin, 1928) accepted as Guidettion arduifrons (Thulin, 1928)
Adropion behanae (Dastych, 1987) accepted as Kararehius behanae (Dastych, 1987)
Adropion belgicae (Richters, 1911)
Adropion carolae (Binda & Pilato, 1969) accepted as Guidettion carolae (Binda & Pilato, 1969)
Adropion clavatum (Barto, 1935) accepted as Guidettion clavatum (Barto, 1935)
Adropion gordonense (Pilato, Claxton & Horning, 1991)
Adropion greveni (Dastych, 1984)
Adropion marcusi (Rudescu, 1964) (uncertain > nomen dubium )
Adropion mauccii (Dastych & McInnes, 1996)
Adropion modestum (Binda, Pilato & Dastych, 1984) accepted as Guidettion modestum (Binda, Pilato & Dastych, 1984)
Adropion montigenum (Pilato & Dastych, 1974) accepted as Guidettion montigenum (Pilato & Dastych, 1974)
Adropion onorei (Pilato, Binda, Napolitano & Moncada, 2002)
Adropion prorsirostre (Thulin, 1928) accepted as Guidettion prorsirostre (Thulin, 1928)
Adropion punctatum (Iharos, 1962)
Adropion scoticum (Murray, 1905)
Adropion tricuspidatum (Binda & Pilato, 2000) accepted as Kararehius tricuspidatum (Binda & Pilato, 2000)
Adropion triodon Maucci, 1996 accepted as Kararehius triodon (Maucci, 1996)
Amphibolus R. Bertolani, 1981 accepted as Bertolanius Özdikmen, 2008
Amphibolus mahunkai (Iharos, 1971) accepted as Bertolanius mahunkai (Iharos, 1971)
Amphibolus markevichi Biserov, 1992 accepted as Bertolanius markevichi (Biserov, 1992)
Amphibolus nebulosus Dastych, 1983 accepted as Bertolanius nebulosus (Dastych, 1983)
Amphibolus smreczynskii (Weglarska, 1970) accepted as Bertolanius smreczynskii (Weglarska, 1970)
Amphibolus volubilis (Durante Pasa & Maucci, 1975) accepted as Bertolanius volubilis (Durante Pasa & Maucci, 1975)
Amphibolus weglarskae (Dastych, 1972) accepted as Bertolanius weglarskae (Dastych, 1972)
Angursa Pollock, 1979
Angursa abyssalis Renaud-Mornant, 1981 accepted as Angursa bicuspis abyssalis Renaud-Mornant, 1981
Angursa antarctica Villora-Moreno, 1998
Angursa bicuspis Pollock, 1979
Angursa bicuspis abyssalis Renaud-Mornant, 1981
Angursa capsula Bussau, 1992
Angursa clavifera Noda, 1985
Angursa lanceolata Renaud-Mornant, 1981
Angursa lingua Bussau, 1992
Anisonyches Pollock, 1975
Anisonyches deliquus Chang & Rho, 1998
Anisonyches diakidius Pollock, 1975
Anisonyches mauritianus Grimaldi de Zio, D'Addabbo Gallo, Morone De Lucia & Daddabbo, 1987
Antechiniscus Kristensen, 1987
Antechiniscus conversus (Horning & Schuster, 1983)
Antechiniscus jermani Rossi & Claps, 1989
Antechiniscus lateromamillatus (Ramazzotti, 1964)
Antechiniscus moscali Claxton, 2001
Antechiniscus parvisentus (Horning & Schuster, 1983)
Antechiniscus perplexus (Horning & Schuster, 1983)
Antechiniscus pulcher (Murray, 1910)
Apochela
Apodibius Dastych, 1983
Apodibius confusus Dastych, 1983
Apodibius nuntius Binda, 1984
Apodibius richardi Vargha, 1995
Apodibius serventyi Morgan & Nicholls, 1986 accepted as Apodibius nuntius Binda, 1984
Archechiniscidae Binda, 1978
Archechiniscus Schulz, 1953
Archechiniscus marci Schulz, 1953
Archechiniscus minutus Grimaldi de Zio & D'Addabbo Gallo, 1987
Archechiniscus symbalanus Chang & Rho, 1998
Arthrotardigrada
Astatumen Pilato, 1997
Astatumen bartosi (Weglarska, 1959)
Astatumen ramazzotti (Iharos, 1966) accepted as Astatumen trinacriae (Arcidiacono, 1962)
Astatumen tamaensis (Sudzuki, 1975)
Astatumen tamurai (Ito, 1990)
Astatumen trinacriae (Arcidiacono, 1962)
Barbaria Michalczyk, Gasiorek, Morek & Stec, 2019
Barbaria bigranulata (Richters, 1907)
Barbaria charrua (Claps & Rossi, 1997)
Barbaria jenningsi (Dastych, 1984)
Barbaria madonnae (Michalczyk & Kaczmarek, 2006)
Barbaria quitensis (Pilato, 2007)
Barbaria ranzii (Ramazzotti, 1964)
Bathyechiniscus Steiner, 1926
Bathyechiniscus craticulus Pollock, 1983 accepted as Styraconyx craticulus (Pollock, 1983)
Bathyechiniscus hallasi (Kristensen, 1977) accepted as Styraconyx hallasi Kristensen, 1977
Bathyechiniscus tetronyx Steiner, 1926
Batillipedidae Ramazzotti, 1962
Batillipes Richters, 1909
Batillipes acaudatus Pollock, 1971
Batillipes adriaticus Grimaldi de Zio, Morone de Lucia, D'Addabbo Gallo & Grimaldi, 1979
Batillipes africanus Morone De Lucia, D' Addabbo Gallo & Grimaldi de Zio, 1988
Batillipes annulatus de Zio, 1962
Batillipes bullacaudatus McGinty & Higgins, 1968
Batillipes carnonensis Fize, 1957
Batillipes crassipes Tchesunov & Mokievsky, 1995