Raphitoma corbis (Potiez & Michaud, 1838)
Western and central Mediterranean.
Predator in the low infralittoral-circalittoral.
Original taxon: Pleurotoma corbis.
 
« Shell fusiform-acute, of medium size for the genus […]. Protoconch multispiral of 2.4 convex whorls, […] protoconch I of 1 whorl […], covered by thin cancellations, protoconch II with a diagonally cancellate sculpture starting after a short zone under the suture with fine curved axial threads. The last whorl with very short and weak keel before the onset of the teleoconch. Protoconch-teleoconch boundary strongly flexuose, opisthocline. Teleoconch of 6–8 slightly convex whorls and scaled, thin, suture incised, sculpture prominent. No microgranules in the surface. Axial sculpture of 14–22 slightly opisthocline, equidistant ribs, and interspaces larger than the ribs. The ribs are more evident than the cordlets. » – Pusateri & al.: “A revision of the Mediterranean Raphitomidae 6”, Biodiversity Journal 2018, 9 (3) p.220.

50-80m deep, off Almería, Andalucia, S. Spain. 6,5-8mm.
« Spiral sculpture 6–7 cordlets above the aperture. Sometime one or two additional weak cordlets can be present next to the suture. Cancellation rectangular, with strong and elongated tubercles at the intersection of axials and spirals. Subsutural ramp narrow. Columella simple, slightly sinuous anteriorly, gently angled posteriorly. The siphonal channel is short and wide at the end. Outer lip with 9–14 strong inner plicate denticles. Sometime the last denticle can be double. Siphonal fasciole with 7–9 strong nodulose cords. Colour from firm brown to light hazel, rarely even some costae are equally clear. Sometime in the last whorl there is a lighter cordlet on the suture. » – Ibid.

Possible specimen from 60m deep, near Mrduja island, west of Brač, Split-Dalmatia Comitat, S. Croatia. 8,45mm.
Original pictures provided by R. Stanić (HR) .
(CC BY-NC-SA)

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