Zeugobranchia (Pleurotomariacea) Slit shells (Pleurotomariidae) in deep ocean waters; abalones (Haliotidae) in shallow waters along rocky shores of western North America, Japan, Australia, and South Africa; keyhole limpets (Fissurellidae) in intertidal rocky areas. Superfamily Patellacea (Docoglossa) Conical-shelled limpets, without slits or holes,
Read More
