Volcano keyhole limpet (Fissurella volcano)

Gastropoda (class)
Vetigastropoda (subclass)
Fissurellidae

Rough keyhole limpet (Diodora aspera)

Gastropoda (class)
Vetigastropoda (subclass)
Fissurellidae

Giant keyhole limpet (Megathura crenulata)

Gastropoda (class)
Vetigastropoda (subclass)
Fissurellidae

Giant keyhole limpet (Megathura crenulata)

Gastropoda (class)
Vetigastropoda (subclass)
Fissurellidae

Black turban snail (Tegula funebralis)

Gastropoda (class)
Vetigastropoda (subclass)
Tegulidae

Black turban snail (Tegula funebralis)

Gastropoda (class)
Vetigastropoda (subclass)
Tegulidae

Norris top snail (Norrisia norrisii)

Gastropoda (class)
Vetigastropoda (subclass)
Tegulidae

Wavy turban (Megastraea undosa)

Gastropoda (class)
Vetigastropoda (subclass)
Turbinidae

Wavy turban (Megastraea undosa)

Gastropoda (class)
Vetigastropoda (subclass)
Turbinidae

Wavy turban (Megastraea undosa)
(cleaned)

Gastropoda (class)
Vetigastropoda (subclass)
Turbinidae

Wavy turban (Megastraea undosa)
(operculum only)

Gastropoda (class)
Vetigastropoda (subclass)
Turbinidae

Mudflat snail (Batillaria attramentaria)

Gastropoda (class)
Caenograstropoda (subclass)
Sorbeoconcha (clade/order)
Batillariidae

Scaly tube snail (Thylacodes squamigerus)

Gastropoda (class)
Caenograstropoda (subclass)
Littorinimorpha (order)
Vermetidae

Chestnut cowrie (Neobernaya [Cypraea] spadicea)

Gastropoda (class)
Caenograstropoda (subclass)
Littorinimorpha (order)
Cypraeidae

Southern moonsnail (Polinices [Glossaulax] reclusianus)

Gastropoda (class)
Caenograstropoda (subclass)
Littorinimorpha (order)
Naticidae

California frog shell (Bursa californica)

Gastropoda (class)
Caenograstropoda (subclass)
Littorinimorpha (order)
Bursidae

Atlantic oyster drill (Urosalpinx cinerea)

Gastropoda (class)
Caenogastropoda (subclass)
Neogastropoda (order)
Muricidae

Kellet's whelk (Kelletia kelletii)

Gastropoda (class)
Caenograstropoda (subclass)
Neogastropoda (order)
Buccinidae

Purple olive (Olivella [Callianax] biplicata)

Gastropoda (class)
Caenograstropoda (subclass)
Neogastropoda (order)
Olividae

Californian cone (Californiconus californicus)

Gastropoda (class)
Caenograstropoda (subclass)
Neogastropoda (order)
Conidae

Garden snail (Cornu aspersum)

Gastropoda (class)
Heterobranchia (subclass)
Stylommatophora (order)
Helicidae

Pacific blue mussel (Mytilus trossulus)

Bivalvia (class)
Pteriomorphia (subclass)
Mytilida (order)
Mytilidae

Giant rock scallop (Crassadoma gigantea)

Bivalvia (class)
Pteriomorphia (subclass)
Pectinida (order)
Pectinidae

Giant rock scallop (Crassadoma gigantea)

Bivalvia (class)
Pteriomorphia (subclass)
Pectinida (order)
Pectinidae

Giant rock scallop (Crassadoma gigantea)

Bivalvia (class)
Pteriomorphia (subclass)
Pectinida (order)
Pectinidae

Giant rock scallop (Crassadoma gigantea)

Bivalvia (class)
Pteriomorphia (subclass)
Pectinida (order)
Pectinidae

Bean clam (Donax gouldii)

Bivalvia (class)
Heterodonta (subclass)
Cardiida (order)
Donacidae

Bean clam (Donax gouldii)

Bivalvia (class)
Heterodonta (subclass)
Cardiida (order)
Donacidae

Washington clam (Saxidomus nuttalli)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Pismo clam (Tivela stultorum)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Pismo clam (Tivela stultorum)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Pismo clam (Tivela stultorum)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Pismo clam (Tivela stultorum)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Pismo clam (Tivela stultorum)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Pismo clam (Tivela stultorum)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Unidentified ()

Bivalvia (class)
Heterodonta (subclass)
Unidentified (order)
Unidentified

Pacific littleneck (Protothaca [Leukoma] staminea)

Bivalvia (class)
Heterodonta (subclass)
Venerida (order)
Veneridae

Secret jewelbox (Chama arcana)

Bivalvia (class)
Heterodonta (subclass)
Venerida? (order)
Chamidae

Boring softshell slam (Platyodon cancellatus)

Bivalvia (class)
Heterodonta (subclass)
Myida (order)
Myidae

Scale-sided piddock (Parapholas californica)

Bivalvia (class)
Heterodonta (subclass)
Myida (order)
Pholadidae

Unidentified ()

Unidentified
Unidentified (subclass)
Order (order)
Family