Volutopsius (Pyrulofusus)
Gastropoda - Neogastropoda - Buccinidae
Alternative spelling: Pyrulofusus
Parent taxon: Volutopsius according to U. S. Grant, IV and H. R. Gale 1931
See also Sepkoski 2002 and Titova 1994
Sister taxa: Volutopsius eurekaensis, Volutopsius mesleri
Subtaxa: Volutopsius (Pyrulofusus) schraderi
Distribution: found only at Harrison Bay (627) (Quaternary of Alaska)