Members of the family are known from the Late Triassic (Carnian to Rhaetian) of India,[1] Europe and North America.
The teeth were fairly typical among early prozostrodontians, as they were labiolingually compressed (flattened sideways), with a single root and crown hosting a longitudinal row of sharp cusps.
Dromatheriids in particular have a very narrow and symmetrical crown (when seen from above) without a prominent cingulum (a ridge or array of cuspules adjacent to the main cusps).
[1][3] Making note of this condition, some authors have suggested that dromatheriids are a paraphyletic group ancestral to mammaliaforms.
[3] However, the broader cusps of Therioherpeton and the divided root of Meurthodon dissuade their position within Dromatheriidae.