| Raphitoma stanici Prkić, Giannuzzi-Savelli & Pusateri, 2020 |
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| Adriatic, along the dalmatian coast. Predator in the infralittoral. The species is named after the croatian malacologist Rino Stanić. Shell medium-sized, with convex whorls, spiny tubercles and a developed subsutural ramp, as in brunneofasciata. Protoconch multispiral, with a large nucleus. Protoconch I of 1.2 whorls, […] covered by dense cancellate sculpture; protoconch II with well-spaced axial threads under the suture extending as low as to mid-height of whorl, and diagonally cancellate sculpture on the rest of whorl. A short and narrow keel at the end of last whorl. Protoconch - teleoconch boundary of flexuose, opisthocline growth lines. Colour usually dark brown or blackish, with or without white nucleus, occasionally entirely very light cream or very light brownish. Teleoconch of 6-7 whorls, « suture incised, sculpture very prominent, whole surface covered with extremely fine and dense microgranules. Axial sculpture of 13-18 strong, equidistant, orthocline or slightly opisthocline ribs, much broader than spiral cords, slightly narrower than interspaces. Spiral sculpture of 15-19 spiral cords on the last whorl, of which 5-7 primary cords above the aperture, first adapical always weaker than second one, starting only at third/fourth whorl; one very weak secondary cordlet on subsutural ramp, with small tubercles at intersection with axial ribs, usually connected by very thin threads. Occasionally on last 0.5-1.5 whorls 1-4 secondary cordlets between primary cords, weak to quite evident. Below periphery 2-4 cords, clearly separated from cords on siphonal fasciole by a wide interspace. Siphonal fasciole with 7-9 nodulose cords, often relatively thin and well-spaced. Cancellation varying from rectangular to squared even on same shell, with very elongate and highly elevated tubercles at the intersections; tubercles on first 3-4 adapical primary cords always spinulose. Subsutural ramp wide and inclined, dark brown or black, with broad white comma-shaped lines. Columella simple, straight and slightly inclined to the right anteriorly, strongly angled posteriorly. Siphonal canal short and widely open at the end, posterior channel wide and relatively shallow. Outer lip with 9-10 strong plicate inner denticles. » – Prkić, Giannuzzi-Savelli, Pusateri, Russini, Fassio & Oliverio: “Three new species of Raphitoma Bellardi, 1847 (Mollusca, Gastropoda, Raphitomidae) from Croatian waters (NE Adriatic Sea)”, Zoosystema vol. 42(16), Paris 2020, p.229. – Above and below: 15m deep, Milna bay, Brač island, Split-Dalmatia Comitat, S. Croatia. 15,4mm. Original pictures provided by R. Stanić (HR) – (CC BY-NC-SA). |
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« Background colour brown, brown-reddish or grey-blackish, usually darker in the interspaces and on the ramp; light areas, cream, yellowish or light brownish sparse on the shell; a darker band below the periphery. Broad, curved, comma-shaped whitish lines in most interspaces. » (Ibid.) |
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