| Genus | Species | Author | Local | Note | Photo |
| Acmaea | mitra | Rathke, 1833 | Alaska to Baja California | intertidal to shallow subtidal |  |
| Ademete | laevior | Leach, 1878 | Aleutian Is. To SE Alaska | intertidal to 176 meters; Roger Clark photo |  |
| Alia | carinata | (Hinds, 1844) | Alaska to Baja California | mid intertidal to 15 meters |  |
| Alia | carinata | (Hinds, 1844) | | |  |
| Alvania | cf sanjuanensis | Bartsch, 1920 | Gulf of Alaska to Washington | |  |
| Amicula | vestita | (Broderip & Sowerby, 18290 | Alaska | subtidal |  |
| Anisodoris | nobilis | (MacFarland, 1905) | Alaska to Baja California | intertidal to 229 meters |  |
| Arctomelon | stearnsi | Dall, 1872 | Aleutian Islands to SE Alaska | 3040 m; Roger Clark Photo |  |
| Ariadnaria | borealis | (Broderip & Sowerby, 1829) | Circumpolar; to Washington; 10 to 270 meters | Roger Clark photo |  |
| Astarte | elliptica | (T. Brown, 1827) | Circumboreal; Kodiak Island to Puget Sound | 20 to 250 meters |  |
| Astarte | esquimalti | (Baird, 1863) | Bering Sea to Washington and to Sea of Okhotsk | intertidal to 200 meters |  |
| Axinopsida | serricata | (Carpenter, 1864) | Circumpolar; Alaska to Baja California | intertidal to 275 meters |  |
| Balcis | micans | Carpenter, 1864 | Gulf of Alaska to southern California | intertidal to 137 meters |  |
| Balcis | micans | Carpenter, 1864 | | |  |
| Bankia | setacea | (Tryon, 1863) | Bering Sea to southern California | intertidal to 100m and pelagic in floating wood |  |
| Beringius | kennicotti | (Dall, 1871) | Bering Sea to British Aolumbia | intertidal to 200 meters; Roger Clark photo |  |
| Boreochiton | beringensis | (Yakouleva, 1952) | Arctic Ocean to British Columbia | low intertidal to shallow subtidal |  |
| Boreoscala | greenlandica | (Perry, 1811) | Circumboreal; Bering Sea to British Columbia | low intertidal to 300 meters; Roger Clark photo |  |
| Boreotrophon | stuarti | (E.A. Smith, 1881) | Bering Sea to southern California | low intertidal to 200 meters |  |
| Boreotrophon | orpheus | (Gould, 1849) | Southeast Alaska | 18 to 25 meters; Roger Clark photo |  |
| Boreotrophon | pacificus | Dall, 1902 | Alaska to Baja California | low intertidal to 100 meters; Roger Clark photo |  |
| Boreotrophon | alaskanus | Dall, 1902 | Bering Sea to Russia & Southeast Alaska | 70 to 650 meters; Roger Clark photo |  |
| Boreotrophon | muriciformis | (Dall, 1877) | Bering Sea to SE Alaska [Syn: B. dalli (Kobelt, 1878)] | Roger Clark photo |  |
| Boreotrophon | multicostatus | (Eschscholtz, 1829) | | low intertidal to 50 meters; Roger Clark photo |  |
| Boreotrophon | stuarti | (E.A. Smith, 1881) | Bering Sea to southern California | low intertidal to 200 meters; Roger Clark photo |  |
| Buccinum | angulosum | Gray, 1839 | Arctic Ocean and Bering Sea to Bristol Bay | low intertidal to 150 meters |  |
| Buccinum | angulosum | Gray, 1839 | | |  |
| Buccinum | baeri | (Middendorff, 1848) | Bering Sea to British Columbia | high intertidal to 108 meters |  |
| Buccinum | castaneum | Dall, 1877 | Bering Sea to Gulf of Alaska; Japan | |  |
| Buccinum | castaneum | Dall, 1877 | | |  |
| Buccinum | costatum | Uncertain | | |  |
| Buccinum | costatum | Uncertain | | |  |
| Buccinum | strigilatum | Dall, 1891 | Queen Carlotte Islands to Baja California | 80 to 1,500 meters |  |
| Buccinum | baeri | (Middendorff, 1848) | | Roger Clark photo |  |
| Buccinum | plectrum | Stimpson, 1865 | Point Barrow, Alaska to Washington | low intertidal to 600 meters; Roger Clark photo |  |
| Buccinum | glaciale | Linnaeus, 1758 | Arctic Ocean to Puget Sound; also Atlantic | low intertidal to 64 meters; Roger Clark photo |  |
| Calliostoma | ligatum | (Gould, 1849) | S.E. Alaska to Baja California | mid intertidal to 200 meters |  |
| Calliostoma | ligatun var. pictum | Dall, 1919 | | Roger Clark photo |  |
| Calliostoma | ligatum | (Gould, 1849) | | Roger Clark photo |  |
| Calliostoma | ligatum var. caeruleum | Dall, 1919 | | Roger Clark photo |  |
| Calliostoma | ligatum | (Gould, 1849) | fine ribbed variety | Roger Clark photo |  |
| Calliostoma | annulatum | (Lightfoot, 1786) | lower: mutation lacking outer layer - not worn away | Roger Clark photo |  |
| Calliostoma | variegatum | (Carpenter, 1864) | Ketchikan to Baja California; subtidal to 200 meters | Roger Clark photo |  |
| Calliostoma | platinum | Dall, 1890 | SE Alaska to southern California; 200+ meters | Roger Clark photo |  |
| Calliostoma | canaliculata | (Lightfoot, 1786) | Sitka to central California; low intertidal to 200 meters | Roger Clark photo |  |
| Cardiomya | pectinata | (Carpenter, 1864) | Alaska to Ecuador & the Galapagos Islands | 5 to 1,000 meters |  |
| Ceratostoma | foliatum | (Gmelin, 1791) | Alaska to Baja California | mid intertidal to 50 meters |  |
| Ceratostoma | foliatum | (Gmelin, 1791) | | Roger Clark photo |  |
| Chlamys | hastata hericius | (Gould, 1850) | Gulf of Alaska to southern California | low intertidal to 150 meters |  |
