Purse Oysters - Family: Isognomonidae
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Round Toothed Oyster - Isognomon ephippium
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Elongate Toothed Oyster - Isognomon isognomum
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Little Toothed Oyster - Isognomon nucleus
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Brown Purse Shell - Isognomon perna
Taxonomy:
Phylum: Mollusca (Molluscs)
> Class: Bivalvia (Bivalves)
> Subclass: Autobranchia (Autobranchs)
> Infraclass: Pteriomorpha (Pteriomorph Bivalves)
> Order: Ostreida (Oysters and Allies)
> Superfamily: Pterioidea (Pearl Oysters and Allies)
> Family: Isognomonidae (Purse Oysters)
> Genus: Isognomon
> Species: I. ephippium - Round Toothed Oyster
> Species: I. isognomum - Elongate Toothed Oyster
> Species: I. nucleus - Little Toothed Oyster
> Species: I. perna - Brown Purse Shell
References and links:
Photographic contributions: