 "Domeykodactylus" is based on holotype Departmento de Ciencias Geológicas at the Universidad Católica del Norte, Antofagasta 250973, found in the Sierra da Candeleros.It consists of a partial mandible; a premaxilla, present in the same rock, is referred to it as paratype.The fossil had at first been thought to belong to "Pterodaustro".