Pentland et al. (2019). Topology 2: Holgado & Pêgas (2020). See also List of pterosaur genera Timeline of pterosaur research References Further reading Dalla Vecchia, F. M. (1993), "Cearadactylus? ligabuei, nov. sp., a new Early Cretaceous (Aptian) pterosaur from Chapada do Araripe (Northeastern Brazil)", Bolletini della Societa Paleontologica Italiano, 32: 401–409 Pteranodontoids Early Cretaceous pterosaurs of South America Aptian life Cretaceous Brazil Fossils of Brazil Romualdo Formation Fossil taxa described in 1985