Orthalicus mars Pfeiffer, 1861

Breure, Abraham S. H. & Avila, Valentin Mogollon, 2016, Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae, ZooKeys 588, pp. 1-199 : 52

Taxon classification Animalia Stylommatophora Orthalicidae

Orthalicus mars Pfeiffer, 1861 Figs 49 D–F

Orthalicus mars Pfeiffer 1861: 25, pl. 2 fig. 8; Simone 2006: 156, fig. 533; Breure and Borrero 2008: 8; Breure and Ablett 2015: 40, figs 13 v–vi, L13i.

Type locality.

"republica Aequatoris".

Type material.

NHMUK 20100504 (3), syntypes.

Diagnosis.

Shell ovate-conical, upper whorls with a colour pattern of longitudinal, dark brown streaks, broad on the lower half, forked on the upper half of whorl, separated by whitish ‘3-like’ shapes, pattern fading on the last whorls, aperture dark brown bordered inside, columellar margin and parietal callus also dark brown.

Dimensions.

Shell height 76.6, diameter 38.4 mm.

Distribution.

Ecuador, without precise locality. Brazil ( Simone 2006).

Remarks.

This species, mentioned from Edo. Amazonas in Brazil by Simone (2006), may occur in the easternmost part of Ecuador. Compared to Orthalicus phlogerus ( d’Orbigny, 1835) this species is relatively stout, the aperture bordered by dark colours.