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Gastropoda
Tectura scutum
Common name(s): Pacific Plate Limpet
Size:
Notoacmea scutum ranges from 2.5 - 6cm. long. Its height is usually less than one-third its width.
Range:
It can be found from Alaska to California
Habitat:
Notoacmea scutum resides on rocky beaches, and is common on mid- and low intertidal and shallow subtidal zones.
Polinices lewisii
Common name(s): Moon Snail
Size:
The shell of the moon snail can reach a height of 12 cm.
Key to genera
Identification Guide to Land Snails and Slugs of Western Washington
by Timothy A. Pearce, Casey H. Richart, William P. Leonard, and Paul A. Hohenlohe
Glossary
Diagrams
Hermissenda crassicornis
Size:
Hermissenda crassicornis may be considered a smaller nudibranch reaching only approximately 50mm in length.
Ariolimax columbianus
Common name(s): Banana slug
Size:
Ariolimax columbianus is the second largest land slug in the world. Adults range from 15-20cm in length. Some have been recorded at 25.4 cm!
Armina californica
Size:
It grows up to 8 cm long, 2 cm wide.
Range:
Kayak Island, Gulf of Alaska to Panama. This specimen was found in Olympia, Washington (Puget Sound).
The Evergreen State College
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