Aside from being the first tapejarid pterosaur discovered outside of Brazil, Sinopterus also represents one of the earliest and most complete. Sinopterus had a toothless bony beak and bony crest that runs from the premaxilla to the middle of the skull. The crest is then thought to extend upwards. Sinopterus is thought to have been an omnivore, with fruit perhaps forming an important part of its diet.
Another species, Sinopterus gui, is now thought to represent a younger individual of S. dongi. Some also consider that the smallest currently known pterosaur Nemicolopterus which also comes from the same Jiufotang Formation, may also represent a juvenile Sinopterus. As always, more fossils and study will be required for both of these pterosaurs.
Another species, Sinopterus gui, is now thought to represent a younger individual of S. dongi. Some also consider that the smallest currently known pterosaur Nemicolopterus which also comes from the same Jiufotang Formation, may also represent a juvenile Sinopterus. As always, more fossils and study will be required for both of these pterosaurs.
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