Arrhopalites millsi (Delamare & Massoud), 1963: 215 –216, fig. 27 A–F.

Syn.: Caecarrhopalites millsi Delamare & Massoud, 1963: 215.

Type locality: Argentina, National Park Nahuel Huapi, Valdivienne Forest zone, Lago Frias.

Caecus ­group. Head diagonal 0.25 mm. Pigments absent, eyes 1+1. Cephalic spinelike setae present. Ant. III not swollen basally. Ant. IV undivided. First unguis without inner tooth, all unguiculi with corner tooth, first unguis with a short apical filament. Dental chaetotaxy as shown in table 3, medial ve1 strongly spinelike, ventral dental formula 3: 2: 1: 1: 1. Anal valve chaetotaxy as in table 2, 2+2 cuticular spines present in each side of the anal valve.

Biogeographic zone 29.