Acteonella frazierensis F. M. Anderson, 1958 † accepted as Trochactaeon frazierensis (F. M. Anderson, 1958) † (original description)
Acteonella packardi F. M. Anderson, 1958 † accepted as Trochactaeon packardi (F. M. Anderson, 1958) † (original description)
Cassidulus mercedensis Anderson, 1958 † (original description)
Cypraea argonautica F. M. Anderson, 1958 † accepted as Protocypraea argonautica (F. M. Anderson, 1958) † (original description)
Cypraea berryessae F. M. Anderson, 1958 † accepted as Protocypraea berryessae (F. M. Anderson, 1958) † (original description)
Cypraea gualalaensis F. M. Anderson, 1958 accepted as Protocypraea gualalaensis (F. M. Anderson, 1958) † (original description)
Echinocorys yoloensis Anderson, 1958 † (original description)
Inoceramus contracostae F. M. Anderson, 1958 † (original description)
Inoceramus eolobatus F. M. Anderson, 1958 † (original description)
Inoceramus jacksonensis F. M. Anderson, 1958 † (original description)
Inoceramus meekianus F. M. Anderson, 1958 † (original description)
Inoceramus mendocinoensis F. M. Anderson, 1958 † (original description)
Syncyclonema latum F. M. Anderson, 1958 † (original description)
Syncyclonema operculiformis (Gabb, 1864) † (basis of record)
Trigonia bowersiana F. M. Anderson, 1958 † accepted as Musagonia bowersiana (F. M. Anderson, 1958) † (original description)
Trigonia branneri F. M. Anderson, 1958 † accepted as Louella fitchi (E. L. Packard, 1921) † (original description)
Trigonia churchi F. M. Anderson, 1958 † accepted as Notoscabrotrigonia evansana (Meek, 1858) † (original description)
Trigonia colusaensis F. M. Anderson, 1958 † accepted as Yaadia leana (Gabb, 1877) † (original description)
Trigonia hemphilli F. M. Anderson, 1958 † accepted as Popenoella hemphilli (F. M. Anderson, 1958) † (original description)
Trigonia klamathonia F. M. Anderson, 1958 † accepted as Notoscabrotrigonia klamathonia (F. M. Anderson, 1958) † (original description)
Trigonia melhasei F. M. Anderson, 1958 † accepted as Scabrotrigonia melhasei (F. M. Anderson, 1958) † (original description)
Trigonia packardi F. M. Anderson, 1958 † accepted as Columbitrigonia packardi (F. M. Anderson, 1958) † (original description)
Trigonia perrinsmithi F. M. Anderson, 1958 † accepted as Yaadia whiteavesi (E. L. Packard, 1921) † (original description)
Trigonia wheelerensis F. M. Anderson, 1958 † accepted as Yaadia leana (Gabb, 1877) † (original description)