Plekocheilus (Eurytus) roseolabrum (E.A. Smith, 1877)

Breure, Abraham S. H. & Avila, Valentin Mogollon, 2016, Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae, ZooKeys 588, pp. 1-199 : 16-17

Taxon classification Animalia Stylommatophora Amphibulimidae

Plekocheilus (Eurytus) roseolabrum (E.A. Smith, 1877) Figs 6 G–I, 16

Bulimus roseolabrum E.A. Smith 1877: 362, pl. 39 fig. 8.

Plekocheilus roseolabrus [sic]; Richardson 1995: 320 (references).

Plekocheilus (Eurytus) roseolabrum ; Breure and Borrero 2008: 6; Borrero and Breure 2011: 44, figs 13 G–I; Breure and Ablett 2011: 36, figs 22 D–F, 22ii.

Type locality.

"Malacatos, South Ecuador".

Type material.

NHMUK 1975135, lectotype ( Breure 1978: 16).

Additional material.

NHMUK 1877.3.28.2 (1), paralectotype.

Diagnosis.

Shell relatively medium-sized, sculptured with granulose striae, suture somewhat descending in front, aperture ovate, peristome narrowly expanded and decidedly reflexed.

Dimensions.

Shell height 42.0, diameter 22.5 mm.

Distribution.

Ecuador, Prov. Loja, Malacatos.

Ecoregion.

Eastern Cordillera real montane forests [NT0121].

Remarks.

So far this species has not been re-found after its original description. The record from Prov. Zamora-Chinchipe, Tapichalaca ( Breure and Borrero 2008) refers to a similar but as yet undescribed species.