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Family: Fissurellidae

Group: Marine Invertebrate, Species

Scientific NameCommon NameSummary
Diodora asperaRough Keyhole LimpetThe dark rays on the shell of this species make it distinct from all other local keyhole limpets. this limpet is often beachcombed, or found at negative tides on rocks.
Fissurellidea bimaculataTwo-spotted keyhole limpetThis pretty keyhole limpet sometimes doesn't look much like a limpet because its mantle may cover the entire shell. However, even then there is a characteristic little crater located apically. This limpet may be a predator on Marine vomit (Didemnum vexillum) in Whiting Harbor, near Sitka.