◆エクトステオラキス・キケロニア (絶滅) Ectosteorhachis ciceronia Cope 1883
syn.Megalichthys ciceronius (Cope 1883) Cope 1891 Parabatrachus ciceronius (Cope 1883) *1883『Fourth Contribution to the History of the Permian Formation of Texas:Edward Drinker Cope』。 *1902『Bibliography and Catalogue of the Fossil Vertebrata of North America 1901:Oliver Perry Hay』。
◆エクトステオラキス・マキシルラリス (絶滅) Ectosteorhachis maxillaris (Agassiz 1843)
syn.Megalichthys maxillaris Agassiz 1843 Parabatrachus maxillaris (Agassiz 1843) *1833-1843『Recherches sur les Poissons Fossiles 2, Contenant l'Histoire de l'Ordre des Ganoïdes:Jean Louis Rodolphe Agassiz』。 *1844『Synoptical Table of British Fossil Fishes, Arranged in the Order of the Geological Formations:Jean Louis Rodolphe Agassiz』。 *1845『Traité Élémentaire de Paléontologie ou Histoire Naturelle des Animaux, Considérés dans Leurs Rapports Zoologiques et Géologiques 2:François Jules Pictet』。 *1848『Fauna der Vorwelt mit Steter Berücksichtigung der Lebenden Thiere 1, Wirbeltiere, Dritte Abteilung, Fische:Christoph Gottfried Andreas Giebel』。 *1902『Bibliography and Catalogue of the Fossil Vertebrata of North America 1901:Oliver Perry Hay』。
◆エクトステオラキス・ニティダ (絶滅) Ectosteorhachis nitida Cope 1880
syn.Megalichthys nitidus (Cope 1880) Cope 1892 Parabatrachus nitidus (Cope 1880) *1880『Second Contribution to the History of the Vertebrata of the Permian Formation of Texas:Edward Drinker Cope』。 *1892『On the Characters of Some Paleozoic Fishes 5, on the Paired Fins of Megalichthys nitidus Cope 1891:Edward Drinker Cope』。 *1902『Bibliography and Catalogue of the Fossil Vertebrata of North America 1901:Oliver Perry Hay』。 *1968『Vertebrates from the Halgaito Tongue of the Cutler Formation, Permian of San Juan County, Utah:Peter Paul Vaughn』。 *1940『Система рыбообразных и рыб, ныне живущих и ископаемых:Лев Семенович Берг』。
Genus Lohsania♀ THOMSON & VAUGHN 1968 ローサニア属 (絶滅)
◆ローサニア・ウタヘンシス (絶滅) Lohsania utahensis Thomson & Vaughn 1968 *1968『Vertebral Structure in Rhipidistia [Osteichthyes, Crossopterygii] with Description of a New Permian Genus:Keith Stewart Thomson & Peter Paul Vaughn』。