New Idiostemma from Cuba

It is described the new species Idiostemma frankei into the subgenus Maceo Pilsbry & Vanatta 1898, with type locality at Farallones de Moa, on the northeastern region of Holguín province. For diagnosis were used conchological characters, that make it different from the rest of species into this genus because have whorls almost flattened or plane and semitransparent, with fine ribs on surface of shell. Columella with well-developed lamellae on “S” form, ornamented by ribs like cords that crossing on upper part on both side of the wall, give striated appearance”.

Schermafbeelding 2019-04-08 om 15.18.25

The holotype is in the Instituto de Ecologia y Sistemática, CZACC8.1.302.

Reference:
Fernández, A. & Suárez, A., 2018. New species of Idiostemma Pilsbry & Vanatta, 1898 (Mollusca: Pulmonata: Urocoptidae) from the eastern Cuban region. – Poeyana, 507: 40-43.

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