Sultana (Metorthalicus) augusti (Jousseaume, 1887)

Breure, Abraham S. H. & Avila, Valentin Mogollon, 2016, Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae, ZooKeys 588, pp. 1-199 : 68

Taxon classification Animalia Stylommatophora Orthalicidae

Sultana (Metorthalicus) augusti (Jousseaume, 1887) Figs 71 D–E, 80

Porphyrobaphe augusti Jousseaume 1887: 165, pl. 3 fig. 10.

Sultana augusti ; Richardson 1993: 122 (references).

Sultana (Metorthalicus) augusti ; Breure and Borrero 2008: 25.

Type locality.

[Ecuador] “l’Équateur”.

Type material.

MNHN 28014, holotype.

Diagnosis.

Shell yellowish, upper whorls with irregular pattern of brown, sinuous streaks, on last whorls streaks narrow and fading away, aperture flaring, peristome white, columellar margin vertical.

Dimensions.

Shell height 68.4, diameter 38.4 mm.

Distribution.

Ecuador, Prov. Azuay, Quebrada Machai (Pilsbry, 1899: 195);?Prov. El Oro, Mirador (RBINS); Prov. Pastaza, Mera; ibid., Puyo; Prov. Tungurahua, Topo ( Breure and Borrero 2008).

Ecoregion.

Eastern Cordillera real montane forests [NT0121].

Remarks.

As already noticed by Ancey (1890), his Porphyrobaphe galactostoma is evidently allied to the species (see also Sultana yatesi below). The specimen in RBINS is from "Mirador, Ecuador" without further indication of the Province; it is here tentatively assigned to El Oro.