Taxon classification Animalia Stylommatophora Megaspiridae

Thaumastus (Thaumastiella) sarcochrous (Pilsbry, 1897) Figs 19 A–C, 20

Bulimulus sarcochrous Pilsbry 1897: 21; Pilsbry 1897 [1897-1898]: 93, pl. 5 figs 65-66.

Thaumastus sarcochrous; Richardson 1995: 381 (references).

Thaumastus (Thaumastiella) sarcochrous; Ramírez et al. 2003: 282.

Type locality.

“Peru” .

Type material.

ANSP 4705, holotype.

Diagnosis.

Shell relatively small, whitish to pinkish-brownish, surface weakly striate, faintly malleated on the last whorl, peristome simple.

Dimensions.

Shell height 29, diameter 16 mm.

Distribution.

Peru, Dept. La Libertad, Rio Chusgon valley; ibid., Hacienda Marcabal (USNM 601792).

Ecoregion.

Marañon dry forests [NT0223].

Remarks.

Weyrauch (1956: 10) provided the first, more precise locality after the original description, viz. Rio Chusgon valley, ca. 50 km NE Huamachuco, at 1600-2150 m.