Acanthina perrini, Antigona willisi, Brachidontes (Scolimytilus) subconvexus, Calliostoma obliquistriata, Cyrena (Corbicula) diabloensis, Koilopleura, Leda furlongi, Modiolus (Modiolus) veronensis, Modiolus gabbi subconvexus, Modiolus veronensis, Nassa whitneyi, Nassarius (Caesia) whitneyi, Nuculana (Saccella) furlongi, Oliva simondsi, Pecten (Lyropecten) ricei, Pecten (Lyropecten) vickeryi, Pecten (Pecten) andersoni gonicostus, Pecten (Pecten) raymondi brionianus, Simomactra falcata brioniana, Sinum (Sigaretus) trigenarium, Siphonalia rodeoensis, Spisula falcata brioniana, Tivela merriami, Trophon daviesi, Trophon gracilis, Trophon gracilis clarki, Venus brioniana

'Acanthina perrini belongs to Acanthina' according to P. D. Trask 1922
'Antigona willisi belongs to Antigona' according to P. D. Trask 1922
'Calliostoma obliquistriata belongs to Calliostoma' according to P. D. Trask 1922
'Cardium corbis belongs to Cardium' according to P. D. Trask 1922
'Clavella sinuata is recombined as Koilopleura sinuata' according to P. D. Trask 1922
'Cyrena (Corbicula) diabloensis belongs to Cyrena (Corbicula)' according to P. D. Trask 1922
'Koilopleura belongs to Thaisidae' according to P. D. Trask 1922
'Leda furlongi belongs to Leda' according to P. D. Trask 1922
'Modiolus gabbi subconvexus belongs to Modiolus gabbi' according to P. D. Trask 1922
'Modiolus veronensis belongs to Modiolus' according to P. D. Trask 1922
'Nassa whitneyi belongs to Nassa' according to P. D. Trask 1922
'Oliva simondsi belongs to Oliva' according to P. D. Trask 1922
'Pecten (Lyropecten) ricei belongs to Pecten (Lyropecten)' according to P. D. Trask 1922
'Pecten (Lyropecten) vickeryi belongs to Pecten (Lyropecten)' according to P. D. Trask 1922
'Pecten (Pecten) andersoni gonicostus belongs to Pecten (Pecten) andersoni' according to P. D. Trask 1922
'Pecten (Pecten) raymondi brionianus belongs to Pecten (Pecten) raymondi' according to P. D. Trask 1922
'Pecten (Plagioctenium) andersoni is recombined as Pecten (Pecten) andersoni' according to P. D. Trask 1922
'Polyplex gracilis is recombined as Trophon gracilis' according to P. D. Trask 1922
'Sinum (Sigaretus) trigenarium belongs to Sinum (Sigaretus)' according to P. D. Trask 1922
'Siphonalia rodeoensis belongs to Siphonalia' according to P. D. Trask 1922
'Spisula falcata brioniana belongs to Spisula falcata' according to P. D. Trask 1922
'Tivela merriami belongs to Tivela' according to P. D. Trask 1922
'Trophon daviesi belongs to Trophon' according to P. D. Trask 1922
'Trophon gracilis clarki belongs to Trophon gracilis' according to P. D. Trask 1922
'Venus brioniana belongs to Venus' according to P. D. Trask 1922