Orthalicus pulchellus (Spix in Wagner, 1827)

Breure, Abraham S. H. & Avila, Valentin Mogollon, 2016, Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae, ZooKeys 588, pp. 1-199 : 52-53

Taxon classification Animalia Stylommatophora Orthalicidae

Orthalicus pulchellus (Spix in Wagner, 1827) Figs 50 C–D, 52

Achatina pulchella Spix in Wagner 1827: 9, pl. 9 fig. 2.

Orthalicus puchellus ; Richardson 1993: 111 (references); Simone 2006: 157, figs 536, 537 (as Orthalicus undatus ); Massemin et al. 2009: 408, pl. 5D.

Type locality.

[Brazil, Para] "in sylvis Provinciae Paraënsis”.

Type material.

ZSM 20020203, syntype (1).

Diagnosis.

Shell marked with narrow, dark brown longitudinal stripes, spaced at equal distances, bent a little below the suture, and at the position of three spiral bands of dark brown interrupted by yellowish-whitish << marks, aperture with a small, dark brown band behind the lip, parietal callus also dark brown (modified after Pilsbry 1899: 135-136).

Dimensions.

Shell height 47.9, diameter 29.1 mm.

Distribution.

?Colombia ( Linares and Vera 2012: 155). Bolivia, Dept. Santa Cruz, near Santiago de Chiquitos (UF 40539, 40541, 40556). Paraguay ( Simone 2006). Brazil ( Simone 2006). French Guiana ( Massemin et al. 2009). Suriname ( Pilsbry 1899: 136; not in Altena 1975).?Venezuela ( Simone 2006).

Ecoregion.

Chiquitano dry forests [NT0212].

Remarks.

This Brazilian species has an enormous distribution range given the records mentioned above. Some of these, especially of Venezuela and Colombia, need to be viewed with much suspicion and further evidence is needed as misidentifications are likely. The shell figured by Massemin et al. 2009: pl. 5 fig. D has the stripes more waving and partly confluenced.