 The skull length has been estimated at thirty centimetres and the wingspan at one metre (3.28 ft).The describers found "Domeykodactylus" similar to both the Ctenochasmatidae and Dsungaripteridae in the crest; because of the elevated tooth sockets it was assigned to the latter group.It was the first published example of a dsungapterid in South America, most other members of the family being from Asia.