Anachis watsonae Keen, 1943 † (original description)
Balcis conchita Keen, 1943 † (original description)
Bornia (Temblornia) Keen, 1943 † (original description)
Chrysallida rotundomontana Keen, 1943 † (original description)
Cylichna loismartinae Keen, 1943 † (original description)
Cylichna temblorensis Keen, 1943 † (original description)
Donax triangulata Anderson & Martin, 1914 † (basis of record)
Dosinia (Dosinidia) margaritana Wiedey, 1928 † (basis of record)
Ferminoscala durhami Keen, 1943 † (original description)
Ferminoscala whitei Keen, 1943 † (original description)
Hastula gnomon Keen, 1943 † (original description)
Lucinisca menuda Keen, 1943 † (original description)
Mitrella (Mitrella) anchuela Keen, 1943 † (original description)
Moniliopsis electilis Keen, 1943 † (original description)
Nucula (Ennucula) birchi Keen, 1943 † accepted as Ennucula birchi (Keen, 1943) † (original description)
Olivella ischnon Keen, 1943 † (original description)
Syrnola scandix Keen, 1943 † (original description)
Teinostoma lens Keen, 1943 † (original description)
Turbonilla (Pyrgiscus) bravoensis Keen, 1943 † (original description)
Turbonilla (Pyrgolampros) mariposa Keen, 1943 † (original description)
Typhis (Talityphis) lampada Keen, 1943 † (original description)
Volvulella gluma Keen, 1943 † (original description)

California for Anachis watsonae Keen, 1943 † 
California for Balcis conchita Keen, 1943 † 
California for Chrysallida rotundomontana Keen, 1943 † 
California for Cylichna loismartinae Keen, 1943 † 
California for Cylichna temblorensis Keen, 1943 † 
California for Donax triangulata Anderson & Martin, 1914 † 
California for Dosinia (Dosinidia) margaritana Wiedey, 1928 † 
California for Ferminoscala durhami Keen, 1943 † 
California for Ferminoscala whitei Keen, 1943 † 
California for Hastula gnomon Keen, 1943 † 
California for Lucinisca menuda Keen, 1943 † 
California for Mitrella (Mitrella) anchuela Keen, 1943 † 
California for Nucula (Ennucula) birchi Keen, 1943 † 
California for Olivella ischnon Keen, 1943 † 
California for Syrnola scandix Keen, 1943 † 
California for Teinostoma lens Keen, 1943 † 
California for Turbonilla (Pyrgiscus) bravoensis Keen, 1943 † 
California for Turbonilla (Pyrgolampros) mariposa Keen, 1943 † 
California for Typhis (Talityphis) lampada Keen, 1943 † 
California for Volvulella gluma Keen, 1943 † 

Holotype SUPTC 7526, geounit California, identified as Lucinisca menuda Keen, 1943
Holotype SUPTC 7527, geounit California, identified as Nucula (Ennucula) birchi Keen, 1943
Holotype SUPTC 7530, geounit California, identified as Anachis watsonae Keen, 1943
Holotype SUPTC 7531, geounit California, identified as Chrysallida rotundomontana Keen, 1943
Holotype SUPTC 7532, geounit California, identified as Cylichna loismartinae Keen, 1943
Holotype SUPTC 7533, geounit California, identified as Cylichna temblorensis Keen, 1943
Holotype SUPTC 7534, geounit California, identified as Ferminoscala durhami Keen, 1943
Holotype SUPTC 7535, geounit California, identified as Ferminoscala whitei Keen, 1943
Holotype SUPTC 7536, geounit California, identified as Hastula gnomon Keen, 1943
Holotype SUPTC 7538, geounit California, identified as Balcis conchita Keen, 1943
Holotype SUPTC 7539, geounit California, identified as Mitrella (Mitrella) anchuela Keen, 1943
Holotype SUPTC 7540, geounit California, identified as Moniliopsis electilis Keen, 1943
Holotype SUPTC 7542, geounit California, identified as Olivella ischnon Keen, 1943
Holotype SUPTC 7544, geounit California, identified as Syrnola scandix Keen, 1943
Holotype SUPTC 7545, geounit California, identified as Teinostoma lens Keen, 1943
Holotype SUPTC 7546, geounit California, identified as Turbonilla (Pyrgiscus) bravoensis Keen, 1943
Holotype SUPTC 7547, geounit California, identified as Turbonilla (Pyrgolampros) mariposa Keen, 1943
Holotype SUPTC 7548, geounit California, identified as Typhis (Talityphis) lampada Keen, 1943
Holotype SUPTC 7550, geounit California, identified as Volvulella gluma Keen, 1943