"Hymenocephalus (Hymenogadus) gracilis" . . _:b76707946 "127443" . "Gilbert & Hubbs, 1920" . _:b76707946 . "386354" . . . . . . _:b76707946 . . "127443" . . _:b76707946 . _:b76707946 "WoRMS id" . "Hymenocephalus (Hymenogadus) gracilis Gilbert & Hubbs, 1920" . "Hymenocephalus (Hymenogadus) gracilis" .