Classification
Shellfish (6850 species)
Sub-class Cryptodonta (33 species)
Solemyida (33 species)S. elarraichensis
Tiny Saltwater ClamsImage
Sub-class Heterodonta (3942 species)
Anomalodesmata (434 species)Scoop Clam
Saltwater ClamsImage
Myida (385 species)Pacific Geoduck
Softshell Clams, Geoducks & ShipwormsImage
Venerida (3123 species)Heart Cockle
Hardshell Clams, Cockles,Image
Razor Shells & Zebra Mussels
Sub-class Palaeoheterodonta (1193 species)
Unionida (1193 species)Duck Mussel
Freshwater MusselsImage
Sub-class Protobranchia (462 species)
Nuculida (462 species)Atlantic Nut Clam
Saltwater Clams & Nut ClamsImage
Sub-class Pteriomorphia (1220 species)
Arcida (148 species)Red Ark/Blood Clam
Ark ShellsImage
Limida (126 species)Gaping File Shell
File ShellsImage
Mytilida (247 species)Blue Mussel
True MusselsImage
Ostreida (595 species)Bay Scallop
Oysters & ScallopsImage
Pteriida (99 species)Atlantic Pearl Oyster
Pearl Oysters & Pen ShellsImage
Trigonioida (5 species)Trigonia interlaevigata
Saltwater ClamsImage
(once thought to be extinct)
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