Opalia abbotti Clench & Turner, 1952
Florida to Brazil, Cuba to Canarias, into Mediterranean.
Predator and parasit on sea-anemones and corals in the circalittoral and the continental shelf.
 
« Shell […] attenuate, imperforate and sculptured. Whorls 10, moderately convex. Color a flat-white. Suture well impressed and not crenulated or only slightly so. Aperture subcircular. Outer lip thickened. Columella short and arched. Axial sculpture consisting of strong costae which terminate below on the basal ridge, the costae numbering 12 on the body whorl. Microscopic sculpture consisting of numerous and exceedingly fine spiral threads which are minutely pitted. Nuclear whorls 3+ to 4, smooth and glass-like. » – Clench & Turner: “The genera Epitonium (part 2), Depressiscala, Cylindriscala, Nystiella and Solutiscala in the western Atlantic”, Johnsonia vol. II, num.31, p.348.

120m deep, on bottom with Corallium rubrum, Alghero, Sassari, NW. Sardinia. 2mm. Original pictures provided by M. T. Spanu (IT) – (CC BY-NC-SA).
Brown protoconch.
« This new species is named for R. T. Abbott, Associate Curator in the United States National Museum. »Ibid. p.349.
 
400m deep, gulf of Cagliari. 4,3mm.
Source: gruppomalacologicoscalaria.org.
Original pictures provided by A. Nappo (IT).
(CC BY-NC-SA)

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