Genus: Eosipterus JI & JI, 1997
Etymology: Greek, Eos, ‘orient’, and Greek, pterus, ‘wing’: Asian wing.

Species: yangi JI & JI, 1997
Etymology: In honor of vertebrate paleontologist Yang Zhongjian.

Holotype: GMV2117

Locality: Jingangshan, Yixian City, Western Liaoning Province, China.

Horizon: Jiangshangou Member, Yixian Formation, Jehol Group.

Biostratigraphy:

Age: Barremain Stage, Lower Gallic Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary skeleton and skull impression.

Referred material:

LU, GAO, MENG, LIU & JI, 2006

Locality: Sihetun village, Beipiao City, Western Liaoning Province, China.

Horizon: Lower part of the Yixian Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

D2514: Fragmentary skeleton.

 

WANG, WANG, WANG, XU, TANG, ZHANG, HU, GU & HAO, 1998

Locality: Sihetun, western Liaoning Province, Northeastern China.

Horizon: Yixian Formation, third member, grayish-green medium-fine sandstone with gray and grayish-white siltstone, silty shale in the upper part, grey, grayish-black, grayish-white shale with siltstone, silty mudstone and grayish-white, light yellow tuffinte, tuffaceous sandstone and mudstone in the middle part, light yellow silty mudstone, mudstone with convolute bedding in the lower part, Early Cretaceous.

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given:

Note: Ji, Ji & Padian, place this genus as a synonym of Pterodactylus antiquus. The sediments that it was found in is Early Cretaceous, which precludes it belonging to the genus Pterodactylus.

 

Locality: Sihetun, western Liaoning Province, Northeastern China.

Horizon: First Member, Tuchengzi Formation, sandstone and sandstone with gravels, upper vertebrate-bearing horizon.

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given: