Raphitoma horrida (Monterosato, 1884)
Mediterranean. Predator in the infralittoral.
Original taxon: Cordieria horrida.
Synonym: monterosatoi.
Protoconch paucispiral.
Beach drift, Port-Vendres, Occitania, S. France. 10mm.
Spire scalariform; whorls separated by a deep, undulating suture; subsutural ramp adorned with whitish commas (« albo-virgulatae » in Monterosato); sculpture made of few, sharp, raised spiral ridges running upon even fewer radial costae, giving the shell a clathrate appearance. Shallow water, north of the harbour, east of the bridge, along the Avenue des Étangs, Frontignan-plage, Occitania. Original picture provided by J. Renoult for iNaturalist (CC BY-NC).
Saint-Gervais beach, Fos-sur-Mer, Bouches-du-Rhône, Provence, S. France. 9,5mm. E. Vial legit (FR).
A difference with brunneofasciata is given by the presence of labial denticles inside the aperture. Above: large adult from 30m deep, Pag island, north Dalmatian archipelago, Croatia. 16mm. Original pictures provided by N. Lete (HR).
(CC BY-NC-SA)
2-5m deep, southern coast of Korčula island, Dubrovnik-Neretva Comitat, S. Croatia. 12mm. Original pictures provided by P. Ugarković (HR).
(CC BY-NC-SA)

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