Polyplacidae Fahrenholz, 1912
Eulinognathus aculeatus (Neumann, 1912)
Eulinognathus alactaguli Blagoveshtchensky, 1965
Eulinognathus allactagae Johnson, 1957
Eulinognathus americanus Ewing, 1923
Eulinognathus biuncatus Ferris, 1932
Eulinognathus bolivianus Werneck, 1952
Eulinognathus cardiocranius Chin, 1992
Eulinognathus denticulatus Cummings, 1916
Eulinognathus dipodis Blagoveshtchensky, 1965
Eulinognathus elateri Chirov & Ozerova, 1990
Eulinognathus eremodipodis Blagoveshtchensky, 1965
Eulinognathus euchoreutae Cais, 1977
Eulinognathus gentilis Blagoveshtchensky, 1965
Eulinognathus hepperi Ronderos & Capri, 1969
Eulinognathus hesperius Johnson, 1957
Eulinognathus hilli (Bedford, 1929)
Eulinognathus hypogeomydis Paulian, 1961
Eulinognathus inermis Cais, 1977
Eulinognathus jaculi Blagoveshtchensky, 1965
Eulinognathus lawrensis (Bedford, 1929)
Eulinognathus lophiomydis (Ferris, 1932)
Eulinognathus patagonicus Castro & Cicchino, 1986
Eulinognathus pygerethmi Blagoveshtchensky, 1965
Eulinognathus scirtopodae Blagoveshtchensky, 1965
Eulinognathus tokmaki Chirov & Ozerova, 1990
Eulinognathus torquatus Castro, 1982
Eulinognathus wernecki Castro & Cicchino, 1986
