Atys jeffreysi (Weinkauff, 1866)
Madeira to Canarias, Mediterranean. Shallow infralittoral.
Often found on leaves of Posidonia oceanica. Grazer.
Original taxon: Cylichna jeffreysi.
4-6m deep, Taşucu, Silifke, Turkey. 2,5mm.
8m deep, in shell grit, Bozcaada island, Çanakkale,
W. Marmara province, NW. Turkey, North Ægean. 6mm.
Atys jeffreysi in W. Kobelt: “Die Familie Bullidæ”, Systematisches Conchylien-Cabinet Bd.1:Abt.9, Nürnberg 1896, figures 19 and 22 (instead of 19-20 as writen).
 
« Testa obeso-cylindrica, supra et infra truncata, sub lente supra et infra spiraliter striatula, medio lævis (“becoming indistinct in the middle” – H. A. Pilsbry in Tryon’s Manual of conchology), lineis incrementi subtilissimis tantum sculpta, tenuis, translucida, lutescenti-viridis; apex anguste umbilicatus; apertura supra producta, angusta, infra perparum dilatata; columella parum incrassata. »
Beach drift, Port-Vendres, Eastern Pyrenean, S. France.
5,5mm. Original pictures provided by R. Huet (FR).
Beach drift, Plage de la Franqui, Leucate, Occitania, S. France. 4,2mm. In collection A. Bertrand (FR). Original pictures provided by S. Clanzig (FR).

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