Family SKENEIDAE

bithynoides, Cyclostrema (ex Jeffreys ms.) [ Lissomphalia bithynoides (Monterosato, 1880 ex Jeffreys ms.)] (Figures 2K, L)

1875b: 250 [XIII: 250] sub Trochus— nomen nudum

1878c: 84 [XIX: 398]—nomen nudum

1880c: 66 [XXVII: 550]—available name

Type material. MCZR–M–11787 —1 sh + frg “ Trochus bithynoides ys. J.. ms. Porcupine” (Jeffreys’s handwriting), “ Cyclostrema bithynoides Jeffr. Ms (Trochus) Palermo !”

Type locality. Described from Palermo (Sicily).

Remarks. Recorded by MolluscaBase (2018) as Lissomphalia bithynoides (Monterosato, 1880) .