Genus Astephus♂ COPE 1873 アステフス属 (絶滅)
※=Genus Astephas♂ JEFFERIES 1995。スペルミス。
◆アステフス・アンティクウス (絶滅) Astephus antiquus (Leidy 1873)
syn.Astephus calvus (Cope 1873) Physeter antiquus (Leidy 1873) Pimelodus antiquus Leidy 1873 Rhineastes arcuatus Cope 1873 Rhineastes calvus Cope 1873 *1873『Contributions to the Extinct Vertebrate Fauna of the Western Territories 1:Joseph Mellick Leidy』。 *1873『On the Extinct Vertebrata of the Eocene of Wyoming, Observed by the Expedition of 1872, with Notes on the Geology:Edward Drinker Cope』。 *1884『The Vertebrata of the Tertiary Formations of the West 1 1883:Edward Drinker Cope』。 *1902『Bibliography and Catalogue of the Fossil Vertebrata of North America 1901:Oliver Perry Hay』。 *1984『Paleontology of the Green River Formation with a Review of the Fish Fauna 2°:Lance Grande』。 Rhineastes arcuatus=Pimelodus antiquus Rhineastes calvus=Pimelodus antiquus
◆アステフス・レシムス (絶滅) Astephus resimus Lundberg 1975 *1975『The Fossil Cat-Fishes of North America:John Graham Lundberg』。