Sarnia frumentum (Petit de Saussaye, 1842) Table 2
Auricula frumentum Petit de Saussaye, 1842: 105-106; Reeve 1878, vol. 20, Auricula, pl. 4, fig. 23. Auricula avena Petit de Saussaye, 1842: 106; Reeve 1878, vol. 20, Auricula, pl. 4, fig. 24. Melampus avena Dall, 1909: 204. Sarnia frumentum Keen, 1971: 850, fig. 2418; Marincovich 1973: 41, figs 92, 94; Paredes et al. 2005: 70, fig. 2.
Material examined.
Aguas Verdes (26°52'S, 70°48'W), Commune of Caldera, August 2011, JFA 100502, 15 specimens.
Diagnosis.
This is one of the smallest terrestrial snails found in northern Chile. They have small (up to about 7 mm) whitish-orangish shells, of subcylindrical shape, with a simple and sharp aperture, with three plyes in the columellar side.
Distribution and remarks.
This species has been cited from El Callao, Peru to Chañaral, Chile (Paredes et al. 2005). This is the southernmost record for this species in Chile. It has been found that this species feeds on remains of birds, fishes and sea urchins (Paredes et al. 2005).