Genus Pshekhagnathus♂ BANNIKOV, CARNEVALE & POPOV 2017 プセカグナトゥス属 (絶滅)
◆プセカグナトゥス・ポリプテルス (絶滅) Pshekhagnathus polypterus Bannikov, Carnevale & Popov 2017 *2017『An Extraordinary Pipefish [Teleostei, Syngnathidae] with Fully Developed Anal Fin from the Oligocene of the North Caucasus, South-West Russia：Alexandre Fedorovich Bannikov, Giorgio Carnevale & Yaroslav A.Popov』。