Named By: Kevin Padian - 1982.
Classification: Chordata, Reptilia, Pterosauria.
Species: R. jenkinsi (type).
Known locations: USA, Arizona - Kayenta Formation.
Time period: Sinemurian to Pliensbachian of the Jurassic.
Fossil representation: Fragmentary remains of a partial skull and a few teeth.
Almost nothing is known about this pterosaur, not even its position and relationship amongst other pterosaurs, only that it is possibly a basal rhamphorhynchoid pterosaur based on the shape of its jugal and early appearance in the fossil record.
- Pterosaur remains from the Kayenta Formation (?Early Jurassic) of Arizona . - Palaeontology 27(2):407-413. - K. Padian - 1984.