Temporal range: Aptian-Albian, 112 Ma
Elgin & Frey, 2011
Barbosania was named and described by Ross A. Elgin and Eberhard Frey in 2011 and the type species is Barbosania gracilirostris. The generic name honours Professor Miguel Barbosa of the Portuguese Museu de História Natural de Sintra in whose collection the type specimen is present. The specific epithet is derived from Latin rostrum, "snout", and gracilis, "slender", in reference to the slender form of the anterior skull.
The holotype, MNHS/00/85, was originally acquired for Barbosa's personal collection, the basis of the new Sintra museum, from Brazilian fossil dealers. Its provenance is probably the Serra da Mãozinha (in the original article was Sierra de Maõsina, but this name is wrong), implying an Early Cretaceous late Albian age, about a hundred million years old. It consists of an almost complete skeleton including the skull, that is partially articulated and uncompressed. The lower legs and most of the neck are missing. The specimen was prepared in the German Staatliches Museum für Naturkunde Karlsruhe. It is probably of a subadult individual, though the closure of the respective sutures provides somewhat contradictory information, the fusion of some elements indicating it was full-grown.
Barbosania was a medium-sized pterodactyloid with a skull length of 392 millimetres. Its body was 209.5 millimetres long. The skull is elongated with a slight upwards bend in the snout. Its lack of a rostral and dentary median sagittal crest allows a distinction from other related pterosaurs. Also a parietal crest on top of the skull is absent. The authors considered it unlikely that this morphology was age-related and rejected the explanation of such traits by sexual dimorphism unless there was specific evidence to prove this. The describers established a single autapomorphy, unique trait: the possession of thirteen dorsal vertebrae instead of the normal twelve. The first four tooth pairs are extremely long, forming a rosette to catch slippery prey like fish or squids. This rosette is however not laterally expanded, which was reflected in the specific name. There are at least twenty-four teeth in the upper jaw and twenty in the lower jaw for a total of eighty-eight.
- Ross A. Elgin & Eberhard Frey (2011). "A new ornithocheirid, Barbosania gracilirostris gen. et sp. nov. (Pterosauria, Pterodactyloidea) from the Santana Formation (Cretaceous) of NE Brazil". Swiss Journal of Palaeontology. 130 (2): 259–275. doi:10.1007/s13358-011-0017-4.
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