FAMILY Atractidae Railliet, 1917 [as subfam.; as fam. Travassos 1919] [=Cobboldinidae Skrjabin, 1948:750] [=Crossocephalidae Yorke & Maplestone, 1926:244] [as subfamily; as family Skrjabin 1948 p.750] [=Cyrtosomatinae Skrjabin, 1948:751] GENUS Atractis Dujardin, 1945 [ref. Bursey & Flanagan 2002] [=Neoatractis Gupta & Aggerwal, 1974:1656] [poorly defined] [=Paratractis Sarmiento Bendezu, 1959] [see Baker 1987 nomen nudum for 1954 ?] [=Paratractis Sarmiento Bendezu, 1954] SPECIES Atractis africana Ortlepp, 1933 [host Testudo verreauxi] SPECIES Atractis bravoae (Osorio-Sarabia, 1984) [Redescription; Moravec 2000 p.118] [=Laurotravassoxyuris bravoae Osorio-Sarabia, 1984] SPECIES Atractis conciliatus [Podocnemis expansa in Reptilia] SPECIES Atractis costaricaensis Gibbons & Platt, 2006:334 [Costa Rica; Parasite of Rhinoclemmys pulcherrima (Reptilia)] SPECIES Atractis dactylura Dujardin, 1845 SPECIES Atractis emilii Gallego Berenguer, 1945 SPECIES Atractis hystrix Diesing, 1851 [Redescription; Khalil & Gibbons 1988 p.188] SPECIES Atractis impura Caballero, 1944 SPECIES Atractis marquezi Bursey & Flanagan, 2002:320 [Parasite of Geochelone nigrita in Reptilia] SPECIES Atractis morinae Baer, 1936 [host Testudo radiata] SPECIES Atractis opeatura Leidy, 1891 SPECIES Atractis penneri Gambino, 1957 SPECIES Atractis perarmata Linstow, 1910 [host Cinixys belliana] SPECIES Atractis ruparensis Gupta & Agarwal, 1978 SPECIES Atractis scelopori Caballero, 1938 SPECIES Atractis testudinicola Baylis, 1933 SPECIES Atractis vidali Gonzalez-Solis & Moravec, 2002:227 [Parasite of Vieja intermedia in Pisces] GENUS Buckleyatractis Khalil & Gibbons, 1988:191 [Type is B. marinkelli] SPECIES Buckleyatractis marinkelli Khalil & Gibbons, 1988:191 [host Podocnemis unifillis in Reptilia] GENUS Cobboldina Leiper, 1911 [=Cobboldia Leiper, 1910:235] [praeocc. Brauer 1887] SPECIES Cobboldina hyracis Ezzat, 1954:173 [Belgium Congo; host Dendrohyrax arboreus adolfi-friederici] SPECIES Cobboldina longicauda Köhler & Supperer, 1960:681 [host Procavia abessinica] TYPE SPECIES Cobboldina vivipara (Leiper, 1910) [ host Hippopotamus amphibius] [=Cobboldia vivipara Leiper, 1910] GENUS Crossocephalus Railliet, 1909 [Anisakinae?] [=Pterocephalus Linstow, 1899] [syn. Theiler 1923; praeocc. Schneider 1887] SPECIES Crossocephalus brevicaudatus Baylis & Daubney, 1923:333 [India; host Rhinoceros indicus] SPECIES Crossocephalus longicaudatus Baylis, 1919:94 [Malaya; Redescription; Inder Singh, Krishnasamy, Mohamed Khan, Khairiah & Zahedi 1989 p.96; host Rhinoceros sumatrensis] TYPE SPECIES Crossocephalus viviparus (Linstow, 1899) [Kenya; host Equus bohmi] [=Pterocephalus viviparus Linstow, 1899] SPECIES Crossocephalus zebrae Yorke & Southwell, 1920:127 [Rhodesia; host Equus burchelli] GENUS Cyrtosomum Gedoelst, 1919 SPECIES Cyrtosomum heynemani Gambino, 1958:439 [New Mexico; host Crotaphytus collaris] SPECIES Cyrtosomum kachugae (Steward, 1914) [syn. Bursey & Flanagan 2002 p.323] [=Atractis kachugae Steward, 1914] SPECIES Cyrtosomum lissemysi Gupta & Aggerwal, 1974 [syn. Bursey & Flanagan 2002 p.323] SPECIES Cyrtosomum longicaudatum Brenes & Bravo, 1960:459 [Costa Rica; Brenes Madrigal & Bravo Hollis; host Ctenosaura s. similis] SPECIES Cyrtosomum penneri Gambino, 1957:76 SPECIES Cyrtosomum readi Gambino, 1958:439 [Phrynosoma solare in Reptilia] SPECIES Cyrtosomum scelopori Gedoelst, 1919:910 GENUS Diceronema Gibbons, Knapp & Krecek, 1996:98 [Type is D. versterae] SPECIES Diceronema versterae Gibbons, Knapp & Krecek, 1996:99 [host Diceros bicornis bicornis in Mammalia] GENUS Fitzsimmonsnema Petter, 1966 TYPE SPECIES Fitzsimmonsnema reptiliae (Fitzsimmons, 1958):211 [South Africa; host Homopus femoralis] [=Probstmayria reptiliae Fitzsimmons, 1958] GENUS Grassenema Petter, 1959 [=Acanthostephanocephalus Kreis, 1960] [syn. Chabaud 1978 p.4] SPECIES Grassenema procaviae Petter, 1959 GENUS Klossinemella Gonçalves da Costa, 1961:31 [nomen nova] [=Klossiella Gonçalves da Costa, 1960:62] [praeocc. Smith & Johnson 1902 in Protozoa] [=Proatractis G. Caballero, 1971] [syn. Moravec & Thatcher 1997 p.49] SPECIES Klossinemella caballeroi (Brenes & Bravo Hollis, 1960) [syn. Bursey & Flanagan 2002 p.323] [=Atractis caballeroi Brenes & Bravo Hollis, 1960] SPECIES Klossinemella carolinae (Harwood, 1932) [syn. Bursey & Flanagan 2002 p.323] [=Atractis carolinae Harwood, 1932] SPECIES Klossinemella iheringi Travassos, Artigas & Pereira, 1928 [Redescription; Moravec & Thatcher 1997 p.49] SPECIES Klossinemella trematophila (Travassos, 1934) [syn. Bursey & Flanagan 2002 p.323] [=Atractis trematophila Travassos, 1934] GENUS Labeonema Puylaert, 1970 [placed in Cosmocercidae by Adamson & Baccam 1988 p.1864] [=Labionema] [misspelling ZR] SPECIES Labeonema africanum Moravec & Van-As, 2004:173 [Parasite of Synodontis nigromaculatus in Pisces] SPECIES Labeonema bainae Baker, 1982:2399 [host Eutropius liberiensis in Pisces] SPECIES Labeonema bakeri Van Waerebeke, 1988 [et al.] SPECIES Labeonema intermedia Puylaert, 1970 GENUS Labiduris Schneider, 1866 SPECIES Labiduris gulosa Rudolphi, 1819 GENUS Leiperenia Khalil, 1922 SPECIES Leiperenia galebi Khalil, 1922 [Diagnostic; Chabaud, Cuisance & Colas 1989 p.139] SPECIES Leiperenia leiperi Khalil, 1922 [Diagnostic; Chabaud, Cuisance & Colas 1989 p.139; host Loxodonta africana] SPECIES Leiperenia moreli Chabaud, Cuisance & Colas, 1989:136 [host Loxodonta africana in Mammalia] GENUS Monhysterides Baylis & Daubney, 1922 [=Pseudatractis Yamaguti, 1961] [type is testudinicola] SPECIES Monhysterides iheringi Travassos, Artigas & Pereira, 1928 SPECIES Monhysterides kachugae Stewart, 1914 SPECIES Monhysterides lissemydis Gupta & Aggarwal, 1978:253 [reptilian host] SPECIES Monhysterides piscicola Baylis & Daubney, 1922 SPECIES Monhysterides testudinicola Baylis, 1933 GENUS Nouvelnema Petter, 1959 [redescribed by Puylaert] TYPE SPECIES Nouvelnema cyclophoron Petter, 1959 [ host Procavia ruficeps = capensis] GENUS Orientatractis Petter, 1966 SPECIES Orientatractis asymmetrica Gibbons & Platt, 2006:335 [Costa Rica; Parasite of Rhinoclemmys pulcherrima (Reptilia)] SPECIES Orientatractis campechensis Gonzalez-Solis & Moravec, 2004:1443 [Parasite of Vieja bifasciata in Pisces] SPECIES Orientatractis chiapasensis Gonzalez-Solis & Moravec, 2004:1445 [Parasite of Vieja intermedia in Pisces] SPECIES Orientatractis leiperi [Podocnemis vogli (Reptile)] GENUS Paraorientatractis Gibbons, Khalil & Marinkelle, 1997 [Type is P. semiannulata] SPECIES Paraorientatractis semiannulata Gibbons, Khalil & Marinkelle, 1997:360 [host Podocnemis unifilis in Reptilia] GENUS Paratractis Gupta & Naiyer, 1989:80 [praeocc. Sarmiento 1959 ?] SPECIES Paratractis indica Gupta & Naiyer, 1989:80 [host Hardella thurgi in Reptilia] GENUS Podocnematractis Gibbons, Khalil & Marinkelle, 1995:48 [Type is Atractis ortleppi Thapar 1925] SPECIES Podocnematractis colombiaensis Gibbons, Khalil & Marinkelle, 1995:50 [host Podocnemis expansa in Reptilia] TYPE SPECIES Podocnematractis ortleppi (Thapar, 1925) [ Redescription; Gibbons, Khalil & Marinkelle 1995 p.48] [=Atractis ortleppi Thapar, 1925] GENUS Pseudocyrtosomum Gupta & Johri, 1988 [Type is P. lucknowensis] SPECIES Pseudocyrtosomum lucknowensis Gupta & Johri, 1988:83 [host Kachuga dhongoka in Reptilia] GENUS Rhinoclemmysnema Gibbons & Platt, 2006:337 TYPE SPECIES Rhinoclemmysnema multilabiatum Gibbons & Platt, 2006:337 [Costa Rica; Parasite of Rhinoclemmys pulcherrima (Reptilia)] GENUS Rondonia Travassos, 1919 SPECIES Rondonia lophii Gallego Berenguer, 1947 SPECIES Rondonia rondoni Travassos, 1920 [Redescription; Moravec, Kohn & Fernandes 1992 p.349]