Synonyma
Bathypygidium Whitley, 1947 ― Pygidium totae Miles, 1942
Whitley, G. P. 1947. New sharks and fishes from Western Australia. Part 3. Australian Zoologist v. 11 (pt 2): 129-150, Pl. 11.
Typový druh
Pygidium totae Miles, 1942.
Původní popis
Miles C. 1943. On three recently described species and a new genus of pygidiid fishes from Colombia. Rev. Acad. Colomb. Cienc. Exactas Fis. Nat. v. 5 (no. 19). 367-369.