Family uncertain Genus Ferromirum⚲ FREY, COATES, TIETJEN, RUCKLIN & KLUG 2020 フェルロミルム属 (絶滅)
◆フェルロミルム・オウケルボウキ (絶滅) Ferromirum oukherbouchi Frey, Coates, Tietjen, Rucklin & Klug 2020 *2020『A Symmoriiform from the Late Devonian of Morocco Demonstrates a Derived Jaw Function in Ancient Chondrichthyans:Linda Frey, Michael I.Coates, Kristen Tietjen, Martin Rucklin & Christian Klug』。
Family uncertain Genus Kawichthys♂ PRADEL, TAFFOREAU, MAISEY & JANVIER 2011 カウィクティス属 (絶滅)
◆カウィクティス・モオディエイ (絶滅) Kawichthys moodiei Pradel, Tafforeau, Maisey & Janvier 2011 *2011『A New Paleozoic Symmoriiformes [Chondrichthyes] from the Late Carboniferous of Kansas, USA, and Cladistic Analysis of Early Chondrichthyans:Alan Pradel, Paul Tafforeau, John G.Maisey & Philippe Janvier』。
Family uncertain Genus Kungurodus♂ IVANOV 2017 クングロドゥス属 (絶滅)
◆クングロドゥス・オブリクウス (絶滅) Kungurodus obliquus (Ivanov 2005)
syn.Cobelodus obliquus Ivanov 2005 *2005『Early Permian chondrichthyans of the Middle and South Urals:Alexander O.Ivanov』。 *2017『Chondrichthyans from the Lower Permian of Mechetlino, South Urals, Russia:Alexander O.Ivanov』。
Family uncertain Genus Lamarodus♂ IVANOV, NESTELL, NESTELL & BELL 2018 ラマロドゥス属 (絶滅)
◆ラマロドゥス・トリアングルス (絶滅) Lamarodus triangulus Ivanov, Nestell, Nestell & Bell 2018 *2018『New Fish Assemblages from the Middle Permian from the Guadalupe Mountains, West Texas, USA:Alexander O.Ivanov, Merlynd Keith Nestell, Galina P.Nestell & Gorden L.Bell Jr.』。