Orientognathus is a genus of rhamphorhynchid pterosaur from the Middle Jurassic of China. It is known from a single specimen which includes most of the skeleton and skull, and was first named and described in 2015 by Lü Junchang et al.. The taxon was found in the Tuchengzi Formation of China, which is slightly younger than the Tiaojishan Formation that most other Middle Jurassic pterosaurs from the region have been found in. The description study produced a phylogenetic analysis, which determined that Orientognathus was a basal member of Rhamphorhynchidae, possibly within Rhamphorhynchinae.^[1]

Quick Facts Scientific classification, Binomial name ...

Orientognathus Temporal range: Middle Jurassic, 155 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Pterosauria
Family:	†Rhamphorhynchidae
Genus:	†Orientognathus Lü et al., 2015
Species:	†O. chaoyangensis
Binomial name
†Orientognathus chaoyangensis Lü et al., 2015

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