New Pterosaur Species Jurassic Period Ctenochasmatoid Cretaceous Forms Jurassic Forms Anhanguerian Pterosaur Anhanguerian Pterosaurs Anhanguerians Pterosaur Fossils Anhanguera Category Haliskia peterseni Anatomy Historical periods Habitat Ceoptera evansae Evolutionary history Darwinoptera Darwinoptera clade Evolution Fossils Research Ceoptera Research methods Fossil analysis Geographic range Pterosaur characteristics Fossil preservation Fossil rarity Naming conventions Research Techniques Jurassic