Pinnidae is a animal family in the Animalia kingdom, order Ostreida, class Bivalvia. The family contains 11 accepted species worldwide.
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Atrina fragilis (Pennant, 1777)
Atrina fragilis, the fan mussel, is a rare large brittle bivalve found in northe…
Pinna bicolor Gmelin, 1791
Pinna bicolor, commonly called razorfish or razor clam, is a large tropical Indo…
Atrina zelandica (Gray, 1835)
Atrina zelandica is the largest bivalve native to New Zealand, a large marine bi…
Atrina rigida (Lightfoot), 1786
Atrina rigida, the rigid pen shell, is a spiny triangular bivalve found in weste…
Atrina serrata (G.B.Sowerby I, 1825)
Atrina serrata (saw-toothed pen shell) is a pinnid bivalve found along the North…
Atrina seminuda (Lamarck, 1819)
Atrina seminuda is a large bivalve mollusk found along the western Atlantic coas…
Pinna nobilis Linnaeus, 1758
Pinna nobilis is an endemic Mediterranean bivalve with symbiotic crustaceans and…
Pinna rudis Linnaeus, 1758
Pinna rudis, the rough pen shell, is a bivalve species found across Atlantic, Me…
Atrina squamifera (G.B.Sowerby I, 1835)
Atrina squamifera, the horse mussel, is a large bivalve found along the South Af…
Pinna carnea Gmelin, 1791
Pinna carnea, the amber pen shell, is a hermaphroditic sessile bivalve found in …
Pinnidae animals belong to the Ostreida order in the Animalia kingdom. The soft body of this species features a well-developed large posterior adductor muscle; in individuals 150 to 200 mm in size, this muscle can reach approximately 40 mm in diameter. For instant identification, use the iNature app — AI-powered and works offline.
Pinnidae is classified in the order Ostreida, class Bivalvia, phylum Mollusca. Pinna rudis Linnaeus, 1758, commonly called the rough pen shell or spiny fan-mussel, typically has a shell reaching 25–30 cm (9.
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