| Parvicardium exiguum (Gmelin, 1791) |
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N. Norway & Baltic to Mediterranean, Azores, Black Sea. « A shallow burrower into sand, muddy sand and mud from low in the intertidal to shallow shelf depths » (CIESM).
Original taxon: Cardium exiguum. Synonyms: aquilinum, exile, parvum, pygmaeum, siculum, simile, stellatum etc.
8m deep, in the harbour, Livorno, Toscana, W. Italy. 6mm. |
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Cardium exiguum in E. Römer: “Die Familie der Herzmuscheln”, Systematisches Conchylien-Cabinet Bd.10:Abt.2, Nürnberg 1869, via BHL.
« The little Cockle: Shell obliquely ovate, gibbous, anterior side very short, posterior angulated; radiately ribbed, ribs two and twenty in number, obsoletely tuberculated, interstices between the ribs punctured; whitish, faintly tinged with rusty brown. […] The tubercles are, in some specimens, almost obliterated. » – L. A. Reeve: Conchologia iconica vol. II, London 1843, via BHL. |
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| Cardium exiguum in J. G. Hidalgo: Moluscos marinos de España, Portugal y las Baleares, Madrid 1870, via BHL. |
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Juvenile with its typical sculpture: shallow grit, plage de La Franqui, Leucate, Aude, Occitania, S. France. 1,95mm.
Original pictures provided by S. Clanzig (FR).
– CC BY-NC-SA – |
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| 30m deep, Poetto, Cagliari, S. Sardinia. 4,5-5,5mm. |
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| Cardium siculum in Sowerby I & II: The conchological illustrations or, Coloured figures of all the hitherto unfigured recent shells, London 1832-1841, plate 5 of the Cardia. |
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| 12m deep, on sand, Maslinova Bay, northwestern coast of Brač island, Split-Dalmatia Comitat, S. Croatia. 7mm. Original picture provided by R. Stanić (HR) – (CC BY-NC-SA). |
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| 8m deep, Bozcaada island, Çanakkale, W. Marmara province, NW. Turkey. 4,9mm. |