Turbonilla gradata
Bucquoy, Dautzenberg & Dollfus, 1883
W. Mediterranean.
Ectoparasit in the infralittoral-circalittoral.
50m deep, Scilla, Messina Strait, SW. Italy. 4,4mm.
Synonym: pseudogradata Nordsieck.
Peyrefitte Cape, Cerbère, Eastern Pyrenees, S. France. 2,9mm.
Shell scalariform, subcylindrical. Protoconch of type A. Whorls flat, adorned with opisthocline and slightly sinuous axial ribs a little wider than the furrows that separate them from each other; the axials rapidly vanish slightly below the periphery of the last whorl.

25m deep, in sediments, at the base of a rocky wall between Sapri and Acquafredda, Campanian border, SW. Italy. 3,8mm.
40m deep, off Le Scole, south of the harbour, Isola del Giglio, Toscana, W. Italy. 2,5mm.

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