†Neptunea (Sulcosipho) magna stantoni Arnold 1908 (true whelk)
Gastropoda - Neogastropoda - Buccinidae
Alternative combinations: Chrysodomus stantoni, Neptunea stantoni
Full reference: R. Arnold. 1908. Descriptions of new Cretaceous and Tertiary fossils from the Santa Cruz Mountains, California. Proceedings of the United States National Museum 34(1617):345-389
Belongs to Neptunea (Sulcosipho) magna according to U. S. Grant, IV and H. R. Gale 1931
See also Arnold 1908 and Woodring and Bramlette 1950
Sister taxa: none
Type specimen: USNM 165475, a shell
Ecology: epifaunal carnivore
Distribution: found only at USGS loc. 4473, Waldorf Asphalt Mine, Casmalia Hills (Pliocene of California)