| Pseudochama gryphina (Lamarck, 1819) |
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Portugal to Angola and offshore islands, Azores to Mediterranean. Cemented to hard substrate or other shells, subtidal to sublittoral. Original taxon: Chama gryphina.
« Chama gryphina: testâ sinistrorsâ, imbricatâ ; squamis valvae minoris, inaequalibus, plerisque appressis ; margine partim crenulato. […] This shell seems to take after the Ch. gryphoides ; however, its peak turns counterclockwise. » – J.-B. de Lamarck: Histoire naturelle des animaux sans vertèbres vol. VI part 1, Paris 1819, via BHL.
3m deep, on wall of crevice, San Damianu marina, Calvi, NW. Corsica. 40mm. |
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Chama gryphina in L. A. Reeve: Conchologia iconica vol. IV, London 1847, plate VIII.
« Shell semiorbicular, circuitously triangular, affixed by the side, both valves concentrically laminated, laminae pressed down, fimbriated and erect on the anterior side. Only known to Lamarck in a fossil state. » – op. cit. |
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Synonyms: cornuta, sinistrorsa (conterclockwise), virens.
Two gryphina from Gorée island, off Dakar, Sénégal. 19-24mm. |
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| Comparison between Pseudochama gryphina (7) and Chama gryphoides (5,6) in J. G. Hidalgo: Moluscos marinos de España, Portugal y las Baleares, Madrid 1870,via BHL. |
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| A specimen filtering on a rock of the breakwater, Calvi Submarine Research Center, eastern coast of La Revellata Point, west of Calvi, NW. Corsica. Original picture provided by F. André for iNaturalist – (CC BY-NC). |
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| A specimen from Chalkída, western Évvia island, Central Greece. 30mm. |
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| Young specimen at Porticciu Cove, southwest of Figari, SW. Corsica. Original picture provided by D. Pavon for iNaturalist – (CC BY-NC). |
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| Old specimen at Poltu Manzu, north of Li Cuncheddi, Olbia area, NE. Sardinia. Original picture provided by F. André for iNaturalist – (CC BY-NC). |
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| Les Empereurs, southern coast of Riou island, off the coast ofMarseilleveyre, Provence, S. France. Original picture provided by S. Le Bris for iNaturalist – (CC BY-NC). |