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Osteology of an exceptionally well-preserved tapejarid skeleton from Brazil: Revealing the anatomy of a curious pterodactyloid clade

2021; Public Library of Science; Volume: 16; Issue: 8 Linguagem: Inglês

10.1371/journal.pone.0254789

1932-6203

Victor Beccari, Felipe L. Pinheiro, Ivan Nunes, Luiz Eduardo Anelli, Octávio Mateus, Fabiana Rodrigues Costa,

Ichthyology and Marine Biology

A remarkably well-preserved, almost complete and articulated new specimen (GP/2E 9266) of Tupandactylus navigans is here described for the Early Cretaceous Crato Formation of Brazil. The new specimen comprises an almost complete skeleton, preserving both the skull and post-cranium, associated with remarkable preservation of soft tissues, which makes it the most complete tapejarid known thus far. CT-Scanning was performed to allow the assessment of bones still covered by sediment. The specimen can be assigned to Tupa . navigans due to its vertical supra-premaxillary bony process and short and rounded parietal crest. It also bears the largest dentary crest among tapejarine pterosaurs and a notarium, which is absent in other representatives of the clade. The new specimen is here regarded as an adult individual. This is the first time that postcranial remains of Tupa . navigans are described, being also an unprecedented record of an articulated tapejarid skeleton from the Araripe Basin.