Taxonomic names from W.O. Addicott 1970

  • Acteon (Rictaxis) (Dall 1871) [Acteonidae]
  • Acteon (Rictaxis) weaveri, W.O. Addicott 1970 [Acteonidae]
  • Acteon boulderana, Etherington 1931 [Acteonidae]
  • Antillophos woodringi, W.O. Addicott 1970 [Buccinidae]
  • Balcis lutzi, W.O. Addicott 1970 [Eulimidae]
  • Balcis petrolia, W.O. Addicott 1970 [Eulimidae]
  • Buccinum aethiops, Reeve 1847 [Pseudolividae]
  • Bulla virescens, Sowerby 1833 [Haminoeidae]
  • Calliostoma carsoni, W.O. Addicott 1970 [Trochidae]
  • Calyptraea coreyi, W.O. Addicott 1970 [Calyptraeidae]
  • Cancellaria (Barkeria) () [Cancellariidae]
  • Cancellaria (Coptostoma) (Cossmann 1899) [Cancellariidae]
  • Cancellaria (Crawfordina) () [Cancellariidae]
  • Cancellaria (Crawfordina) kernensis, W.O. Addicott 1970 [Cancellariidae]
  • Cancellaria (Euclia) circumspinosa, W.O. Addicott 1970 [Cancellariidae]
  • Cancellaria (Euclia) ocoyana, W.O. Addicott 1970 [Cancellariidae]
  • Cancellaria (Narona) birchi, W.O. Addicott 1970 [Cancellariidae]
  • Cancellaria andersoni, Clark 1918 [Cancellariidae]
  • Cancellaria galei, W.O. Addicott 1970 [Cancellariidae]
  • Cancellaria keenae, W.O. Addicott 1970 [Cancellariidae]
  • Cerithium mediale, Conrad 1849 [Cerithiidae]
  • Crassispira olcesensis, W.O. Addicott 1970 [Pseudomelaniidae]
  • Crepidula bractea, W.O. Addicott 1970 [Calyptraeidae]
  • Crucibulum (Dispotaea) papulum, W.O. Addicott 1970 [Calyptraeidae]
  • Crypta rostralis, Conrad 1865 [Calyptraeidae]
  • Epitonium (Gyroscala) barkerianum, W.O. Addicott 1970 [Epitoniidae]
  • Epitonium (Nitidiscala) tedfordi, W.O. Addicott 1970 [Epitoniidae]
  • Epitonium pasoense, Anderson and Martin 1914 [Epitoniidae]
  • Forreria cancellaroides, Arnold 1909 [Muricidae]
  • Forreria emersoni, W.O. Addicott 1970 [Muricidae]
  • Fusus geniculus, Conrad 1849 [Fasciolariidae]
  • Fusus oregonensis, Conrad 1848 [Siphonaliidae]
  • Gibbula (Tumulus) () [Trochidae]
  • Gibbula (Tumulus) baileyi, W.O. Addicott 1970 [Trochidae]
  • Glyphostoma carinata, W.O. Addicott 1970 [Clathurellidae]
  • Kelletia lorata, W.O. Addicott 1970 [Buccinidae]
  • Knefastia garcesana, W.O. Addicott 1970 [Costellariidae]
  • Launidae, family (Gray 1857) [Littorinidae]
  • Mangelia (Agathotoma) (Cossmann 1899) [Mangeliidae]
  • Mangelia (Notocytharella) () [Mangeliidae]
  • Mangelia (Notocytharella) hartensis, W.O. Addicott 1970 [Mangeliidae]
  • Megasurcula howei, Hanna and Hertlein 1938 [Turridae]
  • Miopleiona weaveri, Tegland 1933 [Volutidae]
  • Mitra (Atrimitra) andersoni, W.O. Addicott 1970 [Mitridae]
  • Mitrella (Columbellopsis) alta, W.O. Addicott 1970 [Columbellidae]
  • Mitrella anchuela, Keen 1943 [Columbellidae]
  • Morula (Morunella) () [Muricidae]
  • Morula (Morunella) granti, W.O. Addicott 1970 [Muricidae]
  • Nassarius (Phrontis) harrellensis, W.O. Addicott 1970 [Nassariidae]
  • Nassarius (Phrontis) posoensis, W.O. Addicott 1970 [Nassariidae]
  • Natica (Naticarius) posuncula (Hanna and Hertlein 1938) [Naticidae]
  • Natica posuncula, Hanna and Hertlein 1938 [Naticidae]
  • Natica teglandi, Hanna and Hertlein 1938 [Naticidae]
  • Nerita (Theliostyla) joaquinensis, W.O. Addicott 1970 [Neritidae]
  • Niso cottonwoodensis, W.O. Addicott 1970 [Eulimidae]
  • Ocenebra clarki, W.O. Addicott 1970 [Muricidae]
  • Odostomia (Besla) (Dall and Bartsch 1904) [Pyramidellidae]
  • Odostomia (Chrysallida) sequoiana, W.O. Addicott 1970 [Pyramidellidae]
  • Odostomia (Evalea) andersoni, W. O. Bartsch and Hertlein 1917 [Pyramidellidae]
  • Odostomia (Menestho) (Möller 1842) [Pyramidellidae]
  • Odostomia (Menestho) repenningi, W.O. Addicott 1970 [Pyramidellidae]
  • Polinices canalis, Moore 1963 [Naticidae]
  • Polystira englishi, W.O. Addicott 1970 [Turridae]
  • Pyramidella (Syrnola) (Adams 1860) [Pyramidellidae]
  • Sinum californicum, Oldroyd 1917 [Naticidae]
  • Sulcoretusa israelskyi, W.O. Addicott 1970 [Retusidae]
  • Tectibranchia, suborder [unclassified suborder]
  • Tectibranchia, order () [Tectibranchia]
  • Tegula (Omphalius) (Philippi 1847) [Trochidae]
  • Tegula (Omphalius) laevis, W.O. Addicott 1970 [Trochidae]
  • Teinostoma (Teinostoma), H. Adams and A. Adams 1853 [Tornidae]
  • Terebra (Fusoterebra) () [Terebridae]
  • Terebra (Fusoterebra) adelaidana, W.O. Addicott 1970 [Terebridae]
  • Terebra (Strioterebrum) stirtoni, W.O. Addicott 1970 [Terebridae]
  • Trichotropididae, family (Gray 1850) [Trichotropidae]
  • Trichotropis tricarinata, W.O. Addicott 1970 [Capulidae]
  • Trophon (Austrotrophon) (Dall 1902) [Muricidae]
  • Turbonilla (Chemnitzia) hannai, W.O. Addicott 1970 [Pyramidellidae]
  • Turbonilla (Ptycheulimella) (Sacco 1892) [Pyramidellidae]
  • Turbonilla (Ptycheulimella) edisonensis, W.O. Addicott 1970 [Pyramidellidae]
  • Turbonilla (Pyrgiscus) hormigacuesta, W.O. Addicott 1970 [Pyramidellidae]
  • Turbonilla (Pyrgolampros) (Sacco 1892) [Pyramidellidae]
  • Turbonilla (Tragula) greenhornensis, W.O. Addicott 1970 [Pyramidellidae]
  • Turricula libya, Dall 1919 [Clavatulidae]
  • Turritella kernensis, W.O. Addicott 1970 [Turritellidae]
  • Turritella moodyi, Applin 1920 [Turritellidae]
  • Turritella ocoyana topangensis, Merriam 1941 [Turritellidae]
  • Volvulella joaquinensis, W.O. Addicott 1970 [Retusidae]