Ancyrocephalidae Family
The Animal (Helicirrus megaloanchor Corlis, 2004) is part of the phylum Platyhelminthes, or flatworms, known for their dorsoventrally flattened bodies...
1,837 species in this family.1750 species in this category
Animal (Heteronchocleidus asymmetricus) - Facts & Information
Heteronchocleidus asymmetricus Majumdar, Ramchandrula, Trupati & Agrawal, 1988
Animal (Metahaliotrema ypsilocleithrum) - Facts & Information
Metahaliotrema ypsilocleithrum Kritsky, Nguyen, Ha & Heckman, 2016
Animal (Characidotrema undiferum) - Facts & Information
Characidotrema undiferum Kritsky, Kulo & Boeger, 1987
Animal (Martorellius curvovaginatus) - Facts & Information
Martorellius curvovaginatus (Mendoza-Palmero & Scholz, 2011) de Aguiar, Mathews, Domingues & da Silva, 2025
Animal (Anacanthorus neotropicalis) - Facts & Information
Anacanthorus neotropicalis Mizelle & Price, 1965
Animal (Metahaliotrema digyroides) - Facts & Information
Metahaliotrema digyroides (Zhang in Zhang, Yang & Liu, 2001) Kritsky, 2018
Animal (Annulotrema moanko) - Facts & Information
Annulotrema moanko Birgi, 1988
Animal (Salsuginus californiensis) - Facts & Information
Salsuginus californiensis Cone, Appy & Leis, 2023
Animal (Constrictoanchoratus ptilonophallus) - Facts & Information
Constrictoanchoratus ptilonophallus Ferreira, Rodrigues, Cunha & Domingues, 2017
Animal (Caballeria pedunculata) - Facts & Information
Caballeria pedunculata Bychowsky & Nagibina, 1970
Animal (Onchocleidus furcatus) - Facts & Information
Onchocleidus furcatus (Mueller, 1937) Wheeler & Beverley-Burton, 1989
Animal (Actinocleidus maculatus) - Facts & Information
Actinocleidus maculatus Mueller, 1937
Animal (Neodiplectanotrema helicoleni) - Facts & Information
Neodiplectanotrema helicoleni Gerasev, Gaevskaja & Kovaleva, 1987
Animal (Cleithrarticus bulbovagina) - Facts & Information
Cleithrarticus bulbovagina Yamaguti, 1968
Animal (Cichlidogyrus halinus) - Facts & Information
Cichlidogyrus halinus Paperna, 1969
Animal (Diversohamulus tricuspidatus) - Facts & Information
Diversohamulus tricuspidatus Bychowsky & Nagibina, 1969
Animal (Pseudempleurosoma myripristi) - Facts & Information
Pseudempleurosoma myripristi (Gerasev, Gaevskaja & Kovaleva, 1987) Santos, Mourão & Cardenas, 2001
Animal (Annulotrema allogravis) - Facts & Information
Annulotrema allogravis Paperna, 1973
Animal (Gussevia asota) - Facts & Information
Gussevia asota Kritsky, Thatcher & Boeger, 1989
Animal (Cosmetocleithrum gigas) - Facts & Information
Cosmetocleithrum gigas Morey, Cachique & Babilonia, 2019
Animal (Aphanoblastella Kritsky) - Facts & Information
Aphanoblastella Kritsky, Mendoza-Franco & Scholz, 2000
Animal (Haliotrema alatum) - Facts & Information
Haliotrema alatum Yamaguti, 1942
Animal (Anacanthorus cuticulovaginus) - Facts & Information
Anacanthorus cuticulovaginus Kritsky & Thatcher, 1974
Animal (Tetrancistrum sigani) - Facts & Information
Tetrancistrum sigani Goto & Kikuchi, 1917
Animal (Haliotrematoides plectridium) - Facts & Information
Haliotrematoides plectridium Kritsky & Mendoza-Franco in Kritsky, Yang & Sun, 2009
Animal (Cosmetocleithrum sobrinus) - Facts & Information
Cosmetocleithrum sobrinus Kritsky, Thatcher & Boeger, 1986
Animal (Mymarothecium galeolum) - Facts & Information
Mymarothecium galeolum Kritsky, Boeger & Jégu, 1996
Animal (Aphanoblastella juizforensis) - Facts & Information
Aphanoblastella juizforensis Carvalho, Tavares & Luque, 2009
Animal (Urocleidoides piriatiu) - Facts & Information
Urocleidoides piriatiu Mendoza-Franco & Reina, 2008
Animal (Cleidodiscus microcirrus) - Facts & Information
Cleidodiscus microcirrus Price & Schlueter, 1967
Animal (Euryhaliotrema russellum) - Facts & Information
Euryhaliotrema russellum Sun & Yang, 2015
Animal (Ligophorus kederai) - Facts & Information
Ligophorus kederai Soo & Lim, 2015
Animal (Gobioecetes rhinogobius) - Facts & Information
Gobioecetes rhinogobius (Ling, 1973) Ogawa & Ito, 2017
Animal (Characidotrema pollex) - Facts & Information
Characidotrema pollex Kičinjaová & Řehulková in Řehulková, Kičinjaová, Mahmoud, Gelnar & Seifertová, 2019
Animal (Characithecium costaricense) - Facts & Information
Characithecium costaricense (Price & Bussing, 1967) Mendoza-Franco, Reina & Torchin, 2009
Animal (Haliotrema flagellocirrus) - Facts & Information
Haliotrema flagellocirrus Bychowsky & Nagibina, 1971
Animal (Cichlidogyrus nyanza) - Facts & Information
Cichlidogyrus nyanza Gobbin, Vanhove, Seehausen, Maan & Pariselle, 2024
Animal (Notozothecium robustum) - Facts & Information
Notozothecium robustum Kritsky, Boeger & Jégu, 1996
Animal (Haliotrematoides longitubocirrus) - Facts & Information
Haliotrematoides longitubocirrus (Bychowsky & Nagibina, 1971) Kritsky, Yang & Sun, 2009
Animal (Hemirhamphiculus choanophallus) - Facts & Information
Hemirhamphiculus choanophallus Kritsky, 2017
Animal (Salsuginus spirae) - Facts & Information
Salsuginus spirae (Williams, 1980) Murith & Beverley-Burton, 1985
Animal (Ancyrocephalus hemibarbi) - Facts & Information
Ancyrocephalus hemibarbi Achmerow, 1952
Animal (Cichlidogyrus vetusmolendarius) - Facts & Information
Cichlidogyrus vetusmolendarius Gobbin, Vanhove, Seehausen, Maan & Pariselle, 2024
Animal (Haliotrema flagellatum) - Facts & Information
Haliotrema flagellatum Yamaguti, 1968
Animal (Onchocleidus chautauquaensis) - Facts & Information
Onchocleidus chautauquaensis (Mueller, 1938) Murith & Beverley-Burton, 1984
Animal (Heteropriapulus heterotylus) - Facts & Information
Heteropriapulus heterotylus (Jogunoori, Kritsky & Venkatanarasaiah, 2004) Kritsky, 2007
Animal (Urocleidoides amapaensis) - Facts & Information
Urocleidoides amapaensis Santos Neto, Domingues & Soares in Santos Neto, Soares & Domingues, 2025
Animal (Ameloblastella prima) - Facts & Information
Ameloblastella prima Meneses, Justo & Cohen in Meneses, Justo, Viana & Cohen, 2023
Animal (Cacatuocotyle papilionis) - Facts & Information
Cacatuocotyle papilionis Zago, Franceschini, Müller & da Silva, 2018
Animal (Characidotrema auritum) - Facts & Information
Characidotrema auritum Kičinjaová & Řehulková in Řehulková, Kičinjaová, Mahmoud, Gelnar & Seifertová, 2019
Animal (Mymarothecioides ararai) - Facts & Information
Mymarothecioides ararai Soares & Domingues in Soares, Magalhaes, Silva, Carbeiro, Barbosa, Costa & Dominques, 2019
Animal (Bouixella beninensis) - Facts & Information
Bouixella beninensis Euzet & Dossou, 1976
Animal (Ancyrocephalus curtus) - Facts & Information
Ancyrocephalus curtus Achmerow, 1952
Animal (Eutrianchoratus imbachi) - Facts & Information
Eutrianchoratus imbachi Dossou & Euzet, 1984
Animal (Onchobdella bopeleti) - Facts & Information
Onchobdella bopeleti Bilong Bilong & Euzet, 1995
Animal (Cichlidogyrus flexicolpos) - Facts & Information
Cichlidogyrus flexicolpos Pariselle & Euzet, 1995
Animal (Biotodomella mirospinata) - Facts & Information
Biotodomella mirospinata Morey, Arimuya & Boeger, 2019
Animal (Annulotrema grave) - Facts & Information
Annulotrema grave Paperna & Thurston, 1969
Animal (Ancyrocephalus botia) - Facts & Information
Ancyrocephalus botia Porwal, Agrawal, Pandey & Tripathi, 2012
Animal (Pseudodactylogyroides apogonis) - Facts & Information
Pseudodactylogyroides apogonis (Yamaguti, 1940) Ogawa, 1986
Animal (Tetrancistrum polymorphum) - Facts & Information
Tetrancistrum polymorphum (Paperna, 1972) Kritsky, Galli & Yang, 2007
Animal (Notozothecium penetrarum) - Facts & Information
Notozothecium penetrarum Boeger & Kritsky, 1988
Animal (Onchocleidus attenuatus) - Facts & Information
Onchocleidus attenuatus (Mizelle, 1941) Beverley-Burton, 1984
Animal (Cichlidogyrus papernastrema) - Facts & Information
Cichlidogyrus papernastrema Price, Peebles & Bamford, 1969
Animal (Kritskyia Kohn) - Facts & Information
Kritskyia Kohn, 1990
Animal (Apedunculata discoidea) - Facts & Information
Apedunculata discoidea Cuglianna, Cordeiro & Luque, 2009
Animal (Cryptocephalum spirale) - Facts & Information
Cryptocephalum spirale Vega, Viozzi & Brugni, 2011
Animal (Aethycteron chlorosomus) - Facts & Information
Aethycteron chlorosomus (Harrises & Vickery, 1970) Suriano & Beverly-Burton, 1982
Animal (Haliotrema dempsteri) - Facts & Information
Haliotrema dempsteri (Mizelle & Price, 1964) Young, 1968
Animal (Tetrancistrum nasonis) - Facts & Information
Tetrancistrum nasonis Young, 1967
Animal (Euryhaliotrema magnopharyngis) - Facts & Information
Euryhaliotrema magnopharyngis Cruces, Chero & Luque, 2018
Animal (Curvianchoratus psectrogasteri) - Facts & Information
Curvianchoratus psectrogasteri Bezerra, Cohen, Meneses & Justo in Bezerra, Cohen, Meneses, Neres, Viana & Justo, 2023
Animal (Annulotrema cucullatum) - Facts & Information
Annulotrema cucullatum Kičinjaová, Řehulková & Blažek, 2015
Animal (Haliotrematoides brachyflagellocirrus) - Facts & Information
Haliotrematoides brachyflagellocirrus (Wang, Liu & Zhou, 2003) Kritsky, Yang & Sun, 2009
ヨツメイカリ/四爪碇属 (Ancyrocephalus Creplin) - Facts & Information
Ancyrocephalus Creplin, 1839
Animal (Cichlidogyrus arfii) - Facts & Information
Cichlidogyrus arfii Pariselle & Euzet, 1995
Animal (Anacanthorus sciponophallus) - Facts & Information
Anacanthorus sciponophallus Van Every & Kritsky, 1992
Animal (Pseudempleurosoma caranxi) - Facts & Information
Pseudempleurosoma caranxi (Gerasev, Gaevskaja & Kovaleva, 1987) Santos, Mourão & Cardenas, 2001
Animal (Ancyrocephalus assimilis) - Facts & Information
Ancyrocephalus assimilis Gusev, 1955
Animal (Gonocleithrum planacroideum) - Facts & Information
Gonocleithrum planacroideum Kritsky & Thatcher, 1983
Animal (Mastacembelocleidus indicus) - Facts & Information
Mastacembelocleidus indicus Chaudhary, Verma & Singh, 2013
Animal (Urocleidoides virescens) - Facts & Information
Urocleidoides virescens Mizelle, Kritsky & Crane, 1968
Animal (Aristocleidus lacantuni) - Facts & Information
Aristocleidus lacantuni Mendoza-Franco, Osorio & Caspeta-Mandujano, 2015
Animal (Longidigitis gracilis) - Facts & Information
Longidigitis gracilis Corlis, 2004
Animal (Metahaliotrema imparile) - Facts & Information
Metahaliotrema imparile Kritsky, 2018
Animal (Euryhaliotrema nanaoense) - Facts & Information
Euryhaliotrema nanaoense (Li, Yan, Yul, Lan & Huang, 2005) Kritsky, 2012
Animal (Anacanthorus scholzi) - Facts & Information
Anacanthorus scholzi Pereira, Mota, Paiva & Tavares, 2020
Animal (Ligophorus) - Facts & Information
Ligophorus Euzet & Suriano, 1977
Animal (Aethycteron hargisi) - Facts & Information
Aethycteron hargisi (Hanek & Fernando, 1972) Suriano & Beverley-Burton, 1982
Animal (Neohaliotrema gracile) - Facts & Information
Neohaliotrema gracile Zhukov, 1976
Animal (Diversohamulus) - Facts & Information
Diversohamulus Bychowsky & Nagibina, 1969
Animal (Urocleidoides sapucaiensis) - Facts & Information
Urocleidoides sapucaiensis Zago, Yamada, De Oliveira Fadel Yamada, Franceschini, Bongiovani & da Silva, 2020
Animal (Euryhaliotrema monacanthus) - Facts & Information
Euryhaliotrema monacanthus Kritsky & Boeger, 2002
Animal (Trianchoratus) - Facts & Information
Trianchoratus Price & Berry, 1966
Animal (Bravohollisia maculatus) - Facts & Information
Bravohollisia maculatus (Venkatanarasaiah, 1984) Zhang, 2001
Animal (Ancyrocephalus skrjabini) - Facts & Information
Ancyrocephalus skrjabini Gusev, 1955
Animal (Haliotrema amanses) - Facts & Information
Haliotrema amanses Yamaguti, 1968
Animal (Cosmetocleithrum trachydorasi) - Facts & Information
Cosmetocleithrum trachydorasi (Acosta, Scholz, Blasco-Costa, Alves & da Silva, 2017) Cohen, Justo, Gen & Boeger, 2020
Animal (Cleidodiscus robustus) - Facts & Information
Cleidodiscus robustus Mueller, 1934
Animal (Cichlidogyrus attenboroughi) - Facts & Information
Cichlidogyrus attenboroughi Kmentová, Gelnar, Koblmüller & Vanhove, 2016