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Home > Northwest Shells & Marine Life > PNW Shells & Marine Life Photos > Gastropods >  Gastropods - Fissurellidae



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Click on photo to enlarge.  Scale line in photo equals 1cm unless otherwise specified.
* Species which are commonly encountered on the beach.






Cranopsis cucullata Cranopsis cucullata
                 found subtidally                                               photographed on an extreme low tide
Cranopsis cucullata (Gould, 1846)
Hooded Puncturella
Cranopsis multistriata photographed intertidally
Cranopsis multistriata (Dall, 1914)
Many-Ribbed Puncturella











Diodora aspera
photographed in an aquarium










Fissurellidea bimaculata Fissurellidea bimaculata
                                                  photographed intertidally
Fissurellidea bimaculata (Dall, 1871)
Two-Spot Keyhole Limpet
Diodora aspera (Rathke, 1833)
Rough Keyhole Limpet *















Puncturella galeata Puncturella galeata
                                                                 photographed at extreme low tide
Puncturella galeata (Gould, 1846)
Helmet Puncturella













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Puncturella cooperi
Puncturella cooperi Carpenter, 1864

This page last revised: 3-14-2012







Keyhole limpet comparison
Comparison of similar species

Gastropods 

Family Fissurellidae


Diodora aspera Diodora aspera Diodora aspera
                                                                                                                             photographed intertidally