Gastropoda - Neogastropoda - Buccinidae
Alternative spellings: Chrysodomus (Sulcosipho), Sulcosipho
Parent taxon: Neptunea according to A. J. W. Hendy 2020
See also Sepkoski 2002 and Waterfall 1929
Sister taxa: Neptunea (Neptunea), Neptunea (Trophonopsis), Neptunea alaquaensis, Neptunea altispira, Neptunea cretacea, Neptunea despecta, Neptunea diminuta, Neptunea gracilis, Neptunea lyrata, Neptunea modestoidea, Neptunea stonei
Subtaxa: Chrysodomus (Sulcosipho) venturaensis Neptunea (Sulcosipho) angulata Neptunea (Sulcosipho) eatoni Neptunea (Sulcosipho) tabulata
Ecology: epifaunal carnivore
Distribution:
• Quaternary of United States (37: California, Oregon collections)
• Pliocene to Pleistocene of United States (3: California, Oregon)
• Pliocene of Belgium (2), the United Kingdom (1), United States (5: California)
• Miocene to Pliocene of United States (1: California)
• Miocene of United States (2: Alaska, California)
Total: 51 collections including 53 occurrences