Brown Purse Shell

Isognomon perna, the brown purse shell or rayed tree oyster, is a bivalve in the family Isognomonidae common in the Indo-Pacific including Hawaii. Description Isognoma perna colors range from a brown or light-yellow purse shell to beige with a brown striped pattern and resembles a miniature clam. Distribution Commonly found in the Indo-Pacific, including Hawaii, Western Polynesia, Eastern Polynesia, North to Japan Eastern to Southern Africa, New Caledonia, and Society Islands.

Isognomon est un genre de mollusques bivalves d'eau de mer de la famille des Pteriidae (Isognomonidae pour certaines classifications) et regroupant des espèces communément appelées marteaux. Synonymes Isognoma Lightfoot, 1786 Isognomon (Anisoperna) Iredale, 1939 Isognomon (Isognomon) Lightfoot, 1786 Isognomon (Melina) Philipsson, 1788 Isognomon (Parviperna) Iredale, 1939 Isogonum Röding, 1798 Malleoperna Iredale, 1939 Melina Philipsson, 1788 Parviperna Iredale, 1939 Pedalion Dillwyn, 1817 Perna Bruguière, 1789 Pernaria Rafinesque, 1815 Sutura Megerle von Mühlfeld, 1811 == Liste des…

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