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713   mollusk species in Washington

Species results

Pacific Banana Slug
15,157 obs
🐚 Shell-bearing

Pacific Banana Slug

Ariolimax columbianus
Horned Nudibranch
5,373 obs
🐚 Shell-bearing

Horned Nudibranch

Hermissenda crassicornis
Frilled Dogwinkle
4,169 obs
🐚 Shell-bearing

Frilled Dogwinkle

Nucella lamellosa
Pacific Sideband
3,658 obs
🐚 Shell-bearing

Pacific Sideband

Monadenia fidelis
Black Slug
3,374 obs
🐚 Shell-bearing

Black Slug

Arion ater
Mossy Chiton
3,259 obs

Mossy Chiton

Mopalia muscosa
Asian Clam
3,032 obs
🐋 Filter feeder 🐚 Shell-bearing

Asian Clam

Corbicula fluminea
Monterey Dorid
2,651 obs
🐚 Shell-bearing

Monterey Dorid

Doris montereyensis
Brown-lipped Snail
2,294 obs
🐚 Shell-bearing

Brown-lipped Snail

Cepaea nemoralis
Leopard Slug
2,182 obs
🐚 Shell-bearing

Leopard Slug

Limax maximus
Lewis's Moon Snail
1,903 obs
🐚 Shell-bearing

Lewis's Moon Snail

Neverita lewisii
White-lined Dirona
1,893 obs
🐚 Shell-bearing

White-lined Dirona

Dirona albolineata
Lined Chiton
1,750 obs

Lined Chiton

Tonicella lineata
Nuttall's Cockle
1,747 obs
🐋 Filter feeder 🐚 Shell-bearing

Nuttall's Cockle

Clinocardium nuttallii
Garden Snail
1,737 obs
🐚 Shell-bearing

Garden Snail

Cornu aspersum
Black Leather Chiton
1,691 obs

Black Leather Chiton

Katharina tunicata
Olympia Oyster
1,620 obs
🐋 Filter feeder 🐚 Shell-bearing

Olympia Oyster

Ostrea lurida
Helicid Pteropod
1,528 obs
🐚 Shell-bearing

Helicid Pteropod

Limacina helicina
Gumboot Chiton
1,491 obs

Gumboot Chiton

Cryptochiton stelleri
Northern Leopard Dorid
1,459 obs
🐚 Shell-bearing

Northern Leopard Dorid

Diaulula odonoghuei
Striped Dogwinkle
1,291 obs
🐚 Shell-bearing

Striped Dogwinkle

Nucella ostrina
Giant Nudibranch
1,226 obs
🐚 Shell-bearing

Giant Nudibranch

Dendronotus iris
California Mussel
1,223 obs
🐋 Filter feeder 🐚 Shell-bearing

California Mussel

Mytilus californianus
Robust Lancetooth Snail
1,178 obs
🐚 Shell-bearing

Robust Lancetooth Snail

Haplotrema vancouverense
Red Sponge Dorid
1,112 obs
🐚 Shell-bearing

Red Sponge Dorid

Rostanga pulchra