Locality: Lamagou, Dongdadao, Chaoyang, Liaoning Province, China.
Horizon: Horizon IV, Jiufotang Formation, Upper Jehol Group.
Age: Barremian Stage, Lower Gallic Subepoch, Lower Early Cretaceous Epoch,
Early Cretaceous.
Material: Skull and nearly complete skeleton.
PEGAS, ZHOU, JIN, WANG & MA, 2023
D4019: Fragmentary skull and an almost complete skeleton.
BPMC 106: Partial skull, partial forelimbs other than partial cervical and dorsal series.
BPMC 107: Skull and almost complete skeleton.
SHEN, PEGAS, GAO, KUNDRAT, ZHANG, WEI & ZHOU, 2021
Locality: Dapingfang Locality, Dapingfang Town, Chaoyang City, Liaoning Province, China.
Horizon: Jiufotang Formation.
Biostratigraphy:
Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early
Cretaceous.
Material:
D3072: Fragmentary skeleton lacking the skull.
ZHOU, MIAO & ANDRES, 2023
Loclayt: Near Shiuquan Village, Kazuo County, Chaoyang City, Liaoning Province, China.
Hroizon: Equivalent to the lacustrine deposits of the Jiufotang Fromation.
Biostratigraphy:
Age: Early Cretaceous.
Material:
SDUST-V1060: Fragmentary skull and fragmentary skeleton lacking teh antorbital elements of the skull and the forelimbs.
= Sinopterus sp ZHOU, YU, ZHU & ANDRES, 2022
(moved to cf. Sinopterus dongi PEGAS, ZHOU, JIN, WANG & MA, 2023)
Locality: Sihedang, Lingyuan County, Liaoning Province, China.
Horizon: Jiufotang Formation.
Biostratigraphy:
Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early
Cretaceous.
Material:
SDUST-V1014: Humerus, radous, ulna, pteroid, carpals, metacarpals I, II, III, IV, unguals, wing phalange 1, 2.
= Sinopterus gui LI, LU, & ZHANG, 2003
Etymology: In honor of vertebrate paleontologist of Lanzhou University, Professor
Gu Zugang.
Holotype: BPV-077
Locality: Chaoyang City, Liaoning Province, China.
Horizon: Horizon IV, Jiufotang Formation, Upper Jehol Group.
Biostratigraphy: Psittacosaurus fauna, Cathayornis-Chaoyanga Avifauna.
Age: Barremian Stage, Lower Gallic Subepoch, Lower Early Cretaceous Epoch,
Early Cretaceous.
Material: Skull and nearly complete skeleton.
= Sinopterus
lingyuanensis LÜ, TENG, SUN, SHEN, LI, GAO, & LIU, 2016
Etymology: In reference to
Lingyuan County, Liaoning Province, China, where the specimen was found.
