Steromphala racketti (Payraudeau, 1826) |
Abundant in some sparse places of Mediterranean. Grazer and deposit feeder in the shallow infralittoral. Original taxon: Trochus racketti. Synonyms: gibbosula, pseudotumida, pygmaea. Shallow water on rocks, Bajo Piedras, Málaga, Andalucia, S. Spain. 6mm. |
Variants albidoconica, aperta, depressula, pervia… 2m deep, under stones, Mijas, Málaga. 6,5mm. |
« Testâ parvâ, conicâ, umbilicatâ, transversìm striatâ, albo-virescente ; anfractibus quaternis, convexis, lineis obliquis parvulis rufis pictis, suprà suturas latioribus; spirâ obtusâ; umbilico angusto; aperturâ albâ. […] It is olive-white with russet spots on the sutures; these spots are finer and in an oblique direction on the middle of the whorls; the aperture is white and the umbilicus a little convoluted. Dedicated to Mr. Rackett, English conchyliologist. » – B. C. Payraudeau: Catalogue descriptif et méthodique des Annelides et des Mollusques de l’île de Corse, Paris 1826, p.128. Specimens from La Goulette, Tunisia. 3,3-4,1mm. Original pictures provided by M. Antit for WoRMS – (CC BY-NC-SA) – |
Syntype MNHN-IM-2000-28252 from the collection Payraudeau in the Muséum national d’Histoire naturelle, Paris (France). « Valinco (Corsica). Very rare. » Original pictures provided by M. Caballer for the MNHN – (CC BY). |
A specimen with the same set of colours, from 2m deep, on Posidonia, Baccu Mandara, east of Cagliari, S. Sardinia. 3,6mm. Original pictures provided by A. Nappo (IT). – (CC BY-NC-SA) – |
Shallow water, on Posidonia leaves, La Ahozía, Murcia, SE. Spain. 5,2-5,4mm. |
Juvenile from shallow water, Vignola Bay, Marina di Davia, Corbara, NW. Corsica. 2mm. |
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