Oyster shell, LM micrograph
Fossilised oyster shells
Fossilised Exogyra africana Oyster shells
Fossil oyster
Fossil Oyster
Freshwater mussel shell
False razor shell fossilised in limestone
Iceland cockle
River clam shells on slab
Oyster shells, coloured X-ray
Fossil Oyster (Alectryonia diluviana)
Cone shell
Jewel-box shell
Oyster fossil
Thorny oyster
Alectryonia fossil oyster
Cap shell, Jurassic era
Turtle skull bivalve fossil
Bivalve fossil
Fossilised extinct Jurassic oyster
Pacific oyster shell and pearl
Oyster shell with pearl inside
Thorny oyster mantle
Swamp clam fossil
Paper clam
Limpet shell and pebbles on a beach
Pecten scallop shell
Red-ribbed scallop shell, macrophotograph
Section through a mussel shell, light micrograph
Thorny oyster shell
Ammonite fossils
Fossil oysters
Abalone shell, SEM
Shell fragment breccia fossil
Panopea glycimeris shell
Fossilised Clavithes shell
Cassis canellata (Helmet shell)
False olive shell
Fossilised ammonite shell
Slit shell fossil
Belemnite shell fossilised in clay
Ficopsis penita (Fig shell), Eocene era
Clam shell fossilised in black limestone
Nerinea shell and cross-section view
Tusk shell (Dentalium) fossilised in rock
Acrosterigma dalli cockle shells
Pacific oyster
Astarte clam fossils in limestone
Muschelkalk limestone, light micrograph
Crinoidal limestone, light micrograph
Abalone nacre shell
White coloured abalone shell
Clam shell
Sundial shell fossil
Small giant clam
Oyster with pearl
Scallop shell
Cockle shell
Clavagellid bivalve mollusc shell
Venus clam shell
Angelwing clam shell
River mussel shell
Oxheart clam shell
Zigzag venus clam shell
Chambered nautilus shell
Amber pen shell
Bivalve mollusc shell
Fossil scallop shell
Green abalone sea snail shell
Juvenile conch shell
Murex marine snail shell
Olive shell snail
Shell of Turritella snail
African turbo shell
Scallop shell and barnacles
Common limpets
Archimediella pontoni shell
Discitoceras leveilleanum Nautiloid shell
Radiolarian, SEM
Ammonite shell showing whorl profile
Ammonite shell fossilised in clay
Radula of common periwinkle, light micrograph
Raw Oyster on Half Shell
Baculites ammonite shells
Ecphora quadricostata Sea snail
Pelican's foot gastropod fossil
Shells and pebbles on a beach
Fossil fish
Nautilus shell fragment, SEM
Nautilus shell layers, SEM
Whiteavesia bivalve mollusk fossil
White coloured abalone shells
Electric clam
Pacific oysters
Tellin shell
Pacific tiger lucine shell
American bittersweet clam shell
Textile venus clam shell
White-crest tellin shell
Fossil mollusc
Fossil molluscs
Atlantic kitten's paw clam shell
Abalone shell
Clam shell with pearl inside
Fossil scallops
Oyster
Iridescent Nacre Abalone shell colour
Sea urchin fossil
Mussels
Marine ecosystems research
Bivalve molluscs
Iridescent Nacre Abalone shell colour 2
Harpoceras falciferum ammonite shell
Merocanites compressus shell
Amaltheus stokesi ammonite shell
Regal thorny oyster shell
Mussels (Mytilus californianus)
Starfish and marine molluscs
Crabs and marine molluscs
Ammonite male and female
Strawberry conch shell
Pigeon conch shell
Limpet shell
Sundial sea snail shell
Argonaut octopus eggcase shell
Gauguin's cone shell
General cone shell
Imperial cone shell
Lettered cone shell
Murex sea snail shell
Veined octopus feeding
Invasive mussels and limpets
Staircase abalone sea snail shell
Glory of the sea cone shell
Venus comb murex sea snail shell
Limpet trails
Raw Oyste on Half Shell, Close-Up
Ammonite shell fossilised in limestone
Scallop shell and pearl
Wiwaxia Burgess Shale fossil
Fossil Cephalopod (Spyroceras)
Fossil Squid
Fossil Turritella casts
Ammonite attacking a dinosaur, artwork
Nautiloid fossil
Ammonite fossil
Belemnite fossil
Snakestone ammonite
Mollusc fossil breccia
Promicroceras ammonites fossil
Belemnotheutis antiqua fossilised in clay
Tightly coiled fossil
Coral sand sample, SEM
Cockle shell, SEM
Bengal cone shell
Spondylus imperialis oyster, X-ray
Fossil Pecten shells