Alaba catalinensis Bartsch, 1920 accepted as
Pseudosabinella bakeri (Bartsch, 1917) (original description)
Caecum dalli Bartsch, 1920 accepted as
Caecum quadratum P. P. Carpenter, 1857 (original description)
Caecum diegense Bartsch, 1920 accepted as
Caecum quadratum P. P. Carpenter, 1857 (original description)
Caecum grippi Bartsch, 1920 accepted as
Caecum quadratum P. P. Carpenter, 1857 (original description)
Caecum licalum Bartsch, 1920 accepted as
Caecum quadratum P. P. Carpenter, 1857 (original description)
Cyclostremella concordia Bartsch, 1920 accepted as
Skenea concordia (Bartsch, 1920) (original description)
Elephantanellum Bartsch, 1920 accepted as
Caecum J. Fleming, 1813 (original description)
Elephantanellum carpenteri Bartsch, 1920 accepted as
Caecum adamsi Raines, 2020 (original description)
Fartulum bakeri Bartsch, 1920 accepted as
Caecum dextroversum P. P. Carpenter, 1857 (original description)
Fartulum hemphilli Bartsch, 1920 accepted as
Caecum dextroversum P. P. Carpenter, 1857 (original description)
Fartulum occidentale Bartsch, 1920 accepted as
Caecum dextroversum P. P. Carpenter, 1857 (original description)
Micranellum Bartsch, 1920 accepted as
Caecum J. Fleming, 1813 (original description)
Micranellum barkleyense Bartsch, 1920 accepted as
Caecum crebricinctum P. P. Carpenter, 1866 (original description)
Micranellum catalinense Bartsch, 1920 accepted as
Caecum crebricinctum P. P. Carpenter, 1866 (original description)
Micranellum oregonense Bartsch, 1920 accepted as
Caecum crebricinctum P. P. Carpenter, 1866 (original description)
Micranellum pedroense Bartsch, 1920 accepted as
Caecum crebricinctum P. P. Carpenter, 1866 (original description)
Micranellum profundicolum Bartsch, 1920 accepted as
Caecum crebricinctum P. P. Carpenter, 1866 (original description)
Micranellum rosanum Bartsch, 1920 accepted as
Caecum crebricinctum P. P. Carpenter, 1866 (original description)
Odostomia engbergi Bartsch, 1920 (original description)
Odostomia sanjuanensis Bartsch, 1920 (original description)
Odostomia washingtonia Bartsch, 1920 (original description)
Turbonilla engbergi Bartsch, 1920 (original description)
Alaskan part of the North Pacific Ocean for
Micranellum oregonense Bartsch, 1920
California for
Micranellum catalinense Bartsch, 1920
California for
Micranellum rosanum Bartsch, 1920
San Diego Bay for
Caecum dalli Bartsch, 1920
San Diego Bay for
Caecum diegense Bartsch, 1920
San Diego Bay for
Caecum grippi Bartsch, 1920
San Diego Bay for
Caecum licalum Bartsch, 1920
San Diego Bay for
Elephantanellum carpenteri Bartsch, 1920
San Diego Bay for
Micranellum profundicolum Bartsch, 1920
San Pedro for
Fartulum hemphilli Bartsch, 1920
San Pedro Bay for
Fartulum bakeri Bartsch, 1920
San Pedro Bay for
Fartulum occidentale Bartsch, 1920
San Pedro Bay for
Micranellum pedroense Bartsch, 1920
United States part of the North Pacific Ocean for
Alaba catalinensis Bartsch, 1920
Vancouver Island for
Micranellum barkleyense Bartsch, 1920