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CHAOYANGOPTERUS
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Genus: Chaoyangopterus Wang & Zhou, 2002
Etymology: "Cháoyáng County (朝阳县) wing"
Type species: C. zhangi
Other Species: none
Diagnosis: See type species
Classification: Nyctosauridae
Holotype: IVPP V 13397 — An incomplete skeleton including anterior skull, a nearly complete jower jaw, most cervical vertebrae, pectoral girdle, forelimb, pelvis, and hindlimb. (Wang & Zhou, 2002)
Referred Specimens: none
Time: Aptian, Early Cretaceous
Horizon: Jiufotang Formation
Location: Gonggao, Dapingfang, Chaoyang County, Chaoyang, Liaoning Priovince, China
Skull length: ~270 mm
Total length: ~700 mm
Wingspan: ~1.85 m
Mass: ?
Diagnosis: A medium to large-sized pterodactyloid. Wingspan about 1.85 m. Skull long and low with a pointed rostrum. Edentulous. Manual digits I-III robust, wing claws are large and curved. Wing digit comprising 4 phalanges, progressively shorter toward the distal end. Wing metacarpan and first phalanx of wing digit relatively short compared to Nyctosaurus gracilis. Ratios of tibia of femur and tibia to humerus 1.5 and 2.2 respectively, compared to 0.5 and 1.5 in N. gracilis. Ratio of forelimb (humerus + ulna + wing metacarpal) to hindlimb (femur + tibia + metacarpal III) is 1.1 compared to 1.5 in N. gracilis. (Wang & Zhou, 2002)
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