Chiliborus bridgesii (Pfeiffer, 1842) Figs 2.1-2.4, Table 2

Bulimus bridgesii Pfeiffer, 1842: 43; Reeve 1848: 5, Bulimus, pl. 19, fig. 117; Hupé in Gay 1854: 107, Malacología pl. 3, fig. 4. Strophocheilus (Borus) bridgesii: Pilsbry 1895: 35, pl. 2, figs 4-6. Strophocheilus (Chiliborus) bridgesii: Pilsbry 1926: 6. Strophocheilus (Chiliborus) bridgesii: Bequaert 1948: 186, pl. 13, figs 2, 3; pl. 14, fig. 3. Chiliborus bridgesii: Stuardo and Vega 1985: 129.

Material examined.

Caleta Pajonales (27°43'S, 71°02'W), Commune of Copiapó, September 2005, RCG (unnumbered), 4 specimens.

Diagnosis.

This species have small (up to 23 mm), pale brown, thin ovate-oblong shells, minutely sculptured by fine spiral lines, with a reflexed and delicate thin lip and a comparatively large protoconch decorated by spiral threads. This is the smallest species in the Strophocheilidae .

Distribution and remarks.

Freirina (28°30'S, 71°04'W) and Huasco (28°20'S, 71°15'W) (Stuardo and Vega 1985). This is the northernmost record for the species.