Genus: Sinopterus WANG & ZHOU, 2003
Etymology: Latin, Sinae, " China" and Greek, pterus, "wing."

Species: dongi WANG & ZHOU, 2003
Etymology: In honor of Dong Zhi-Ming.

Holotype: IVPP V13363

Locality: Lamagou, Dongdadao, Chaoyang, 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.

 

Referred material:

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.

Holotype: JP-2014-005

Locality: Sihedang, Lingyuan County, Liaoning Province, China.

Horizon: Jiufotang Formation.

Biostratigraphy:

Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Skull and nearly complete skeleton.