Gyrocochlea Hedley, 1924: 215 (in part); Iredale 1937: 322 (in part); Iredale 1941a: 267 (in part); Smith 1992: 190 (in part); Stanisic et al. 2010: 196 (in part).

Type species. Dictyoropa eurythma (Hedley, 1924) n. comb. —here designated.

Etymology. From the Greek diktyos = net, referring to the net-like protoconch sculpture.

Diagnosis. Shell very small, cinnamon brown, spire slightly sunken. Protoconch sculpture reticulate consisting of prominent, widely spaced, broad, continuous spiral cords that intersect with widely spaced radial ribs and ridges. Teleoconch sculpture of numerous, prominent, quite uniformly spaced, slightly sinuate, opisthocline radial ribs. Umbilicus wide cup-shaped.

Range and habitat. From the Clarence River drainage, NSW north to the Queensland Border; found in rainforest on volcanics, living under logs and rocks.

Remarks. Dictyoropa n. gen. has reticulate protoconch sculpture which is similar to that of Cancellocochlea coolongolook and Planorbacochlea parriwiensis. It differs mainly in having fewer spiral and radial elements. This pattern of reticulate protoconch sculpture features in several yet to be described charopids north of the Clarence River drainage apart from the type species.