Grazer and detritus feeder in infralittoral gardens.
Synonyms: capuleti Oberling, costulosa and nodulosa Risso.
10cm deep,Vlaška Bay, Brač island, Split-Dalmatia Comitat, S. Croatia. 4mm. Original picture provided by R. Stanić (HR).
– (CC BY-NC-SA) –
3-5m deep, in hollows among the wide Posidonia meadow of the Anse des Fossettes, at the root of the eastern peninsula, Saint-Jean-Cap-Ferrat, Alpes-Maritimes, SE. France. 4,7-5mm.
Protoconch granulose: randomly on the egg-shell, spirally on the following whorl.
« Testa opaca, glabra ; anfractibus 6 (apicalibus duobus mamillalis) transversim costatis, costis et lineis longitudinalibus elevatis, aequalibus sculptis ; epidermide albido flavescente, purpureo rubescente decussatim striata. » – A. Risso: Histoire naturelle des principales productions de l’Europe Méridionale… vol. IV, Paris 1826, via BHL.
At right: 3 specimens (smaller) from 12m deep, Scilla, Reggio Calabria, SW. Italy. 2-2,75mm. Left: this cream specimen has its spiral cords appearing only anteriorly to the periphery, while they run usually along the whole whorl. Same spot. 3,5mm.
At right: 3 specimens (smaller) from 12m deep, Scilla, Reggio Calabria, SW. Italy. 2-2,75mm. Left: this cream specimen has its spiral cords appearing only anteriorly to the periphery, while they run usually along the whole whorl. Same spot. 3,5mm.
Protoconch smoothed…
Risso: « The colour of this shell is yellowish, striped with a purple-red array; six whorls (the two of the summit mamillated) transversely costulated, with longitudinally arranged furrows and striae of equal elevation. In coralligen. »
Possible lineata from 25-30m deep, Le Dramont, east of Saint-Raphaël, Var, SE. France. 3,6mm.
