Helix (Cochlogena) polygramma S. Moricand, 1836

Figs 136-137

Helix (Cochlogena) polygramma S. Moricand, 1836: 436, pl. 2 figs 12-14.

Type locality: [Brazil, Bahia] “les grand bois à Caxoeira ”.

Label: “ Bahia, Caxoeira”, in Moricand’s handwriting.

Dimensions: “Hauteur, 13 mill.; largeur, 5 mill.”; figured specimen herein H 14.0, D 5.83, W 5.8.

Type material: MHNG-INVE-64561, four syntypes (ex Blanchet, Moricand coll.).

Remarks: Moricand did not state on how many specimens his description was based. This species was hitherto considered as belonging to Leiostracus Albers, 1850 (Simone, 2006: 123), but this small-sized species with its fine, axial riblets which superficially appear as colour streaks, and the dark patch around the umbilicus is here placed in the genus Drymaeus Albers, 1850 .

Current systematic position: Bulimulidae, Drymaeus (Mesembrinus) polygrammus (S. Moricand, 1834) (comb. n.).