Acanthocardia paucicostata (Sowerby II, 1841)
British Isles to Canarias, Mediterranean & Black Sea. The species was present, 130.000 years ago, in southern Baltic (Meng & al., 2015). Intertidal to 25m deep.
Original taxon: Cardium paucicostatum.
Castellaneta Marina, Taranto, Puglia, S. Italy. 28mm.
« Globose, slightly transverse, posterior area slightly hihger and developed than the anterior one; 15 to 20 costae, wide at the base, angular at the top, adorned with spines that are little projecting. We only saw pretty small samples. » – Locard & Caziot: “Coquilles marines des côtes de Corse”, Ann. Soc. Linn. Lyon, n.s., t.47, Paris 1901, via BHL.

synonym: laticostatum.
Gulf of Fos, Marseille, Provence, S. France. 30mm.
On shallow sand, Tarragona, Catalunya, NE. Spain. 24mm.
Specimens from Atlantic.
At low tide in muddy sand, plage de la Concurrence, La Rochelle, Charente-Maritime, W. France. 27-30mm.
In discard pile of oyster farm, Bois Bas, Baden, Gulf of Morbihan, S. Brittany, NW. France. The shell was dredged offshore at 8-10m deep.
A spiny specimen dredged in the roadstead of Brest, W. Brittany. 35mm.
At low tide on sand and gravel, western shore, Sillon de Talbert, W. of Paimpol, N. Brittany. 35mm.

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