| Chama gryphoides Linnaeus, 1758 |
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| N. Carolina to Caribbean, Galicia to Canarias, Azores to Mediterranean. Intertidal to deep circalittoral. 1m deep, on a rhizome of Posidonia, Giorgino beach, Cagliari, S. Sardinia. 13mm. |
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| Synonyms: cavernosa, sessilis, unicornis. 30m deep, off Poetto, Cagliari. 15,5mm. |
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| Calanque de Saména, south of Marseille, Provence, S. France. Original picture provided by S. Le Bris for iNaturalist. – (CC BY-NC) – |
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| Another young one from Pánormos Bay, western coast of Skópelos Island, Northern Sporades. Original picture provided by M. Synatika for iNaturalist – (CC BY-NC). |
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| 40m deep, off Almería, Andalucia, S. Spain. 11-12mm. |
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| The species in Tableau encyclopédique et méthodique… Histoire naturelle des Vers — Atlas tome 2, Paris 1827. |
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| Chama gryphoides in C. F. Schumacher: Essai d’un nouveau système des habitations des vers testacés plate XII, fig. 4. |
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These white marginal spatulae are common in subadults. Anse de Tamaris, east of Sainte-Croix harbour, southern coast of the Nerthe (Estaque) mountain range, west of Marseille. Original picture provided by F. André for iNaturalist – (CC BY-NC). |
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| 100m deep, Saronic Gulf, central Greece. 24,7mm. |
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| Absence of radial microsculpture. |
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| Same spot. 21,5mm. |
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| Young specimen, Figuerolles area, southwest of La Ciotat, Provence. Original picture provided by P. Corbrion for iNaturalist – (CC BY-NC-SA). |
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| Shallow water, on shipwreck, Bastia harbour, NE. Corsica, 1965. 24mm. Collection E. Vial (FR). |
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| 50m deep, off Poetto, Cagliari, S. Sardinia. 33mm. |
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| Paralia Antrines, Pánormos Bay, western coast of Skópelos Island, Northern Sporades, Central Aegean. Original picture provided by M. Synatika for iNaturalist – (CC BY-NC). |
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