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Temporal range: Early Cretaceous, 120–110 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Order: Pterosauria
Suborder: Pterodactyloidea
Family: Ctenochasmatidae
Genus: Otogopterus
Ji & Zhang, 2020
Type species
Otogopterus haoae
Ji & Zhang, 2020

Otogopterus (meaning "Otog Banner wing") is a genus of pterosaur in the family Ctenochasmatidae, known from Early Cretaceous rocks in the Ordos region of Inner Mongolia, China (Luohandong Formation). It contains one species, O. haoae, named in 2020 by Ji Shu'an and Zhang Lifu. The generic name Otogopterus refers to the Otog Banner locality, where it was discovered, while the specific name haoae honours palaeontologist Hao Yinchun. O. haoae is known from a partial lower jaw (the mandibular symphysis), which is long and straight, and bears a ridge on each side that divides the outer surface of the jaw. After Ordosipterus, Otogopterus is the second pterosaur known from the Ordos region.[1]


  1. ^ Ji, S.; Zhang, L. (2020). "A new Early Cretaceous pterosaur from the Ordos region, Inner Mongolia". Earth Science Frontiers. 27 (6): 365–370. doi:10.13745/j.esf.sf.2020.6.14.