Ancylotrypa dentata is a species of spider of the genus Ancylotrypa. It is endemic to the Northern Cape, South Africa.
Ancylotrypa dentata is a Northern Cape endemic known only from the type locality of Hanover, at an elevation of 1358 meters above sea level.
Ground dwellers that live in silk-lined burrows. The species has been sampled from the Nama Karoo biome.
Only the female has been described for this species.
Listed as Data Deficient on the South African Red List for taxonomic reasons. More sampling is needed to collect the male and determine the species' present range.