Taxon classification Animalia Stylommatophora Orthalicidae

Sultana (Metorthalicus) labeo (Broderip, 1828) Figs 77 A–B, 78 A–D, 80

Bulinus labeo Broderip 1828: 222, suppl. pl. 31.

Sultana labeo; Richardson 1993: 124 (references); Ramírez et al. 2003: 282.

Type locality.

"sylvis Peruvianis".

Type material.

Not located (see Pain 1959).

Diagnosis.

Shell light to dark brown, with three (indistinct) spiral bands on the last whorl, interrupted by a few, oblique, light-coloured streaks, apex blunt, aperture with a calloused peristome, flesh- to dark-brown coloured on the front side, dirty whitish on the dorsal side.

Dimensions.

Shell height 76.2, diameter 44.5 mm.

Distribution.

Peru, Amazonas, east of Chachapoyas.

Ecoregion.

Peruvian Yungas [NT0153].

Remarks.

Broderip (1828: 223) mentioned in his text that the type material originated from Lieut. Maw, who obtained it at "Toulea, about nine leagues to the eastward of Chachapoyas"; this is evidently the locality presently known as Taulia [- 06.1200 S, - 077.3700 W].