Pterynotus (Calcitrapessa)
Gastropoda - Neogastropoda - Muricidae
Alternative spelling: Calcitrapessa
Parent taxon: Pterynotus according to W. K. Emerson 1960
See also Sepkoski 2002
Sister taxa: Pterynotus (Centrifuga), Pterynotus (Pterynotus), Pterynotus swainsoni, Pterynotus velificus, Pterynotus washingtonicus, Timbellus calvus
Subtaxa: Calcitrapessa leeana
Distribution:
• Quaternary of United States (5: California collections)
Total: 5 collections each including a single occurrence