Genus: Eosinopteryx GODEFROIT, DEMUYNCK, DYKE, HU, ESCUILLIE & CLAEYS, 2013
Etymology: Greek, eo, "daybreak, dawn," Latin, Sino, "for Chinese" and Greek, pteryx, "feather, wing."

Species: brevipenna GODEFROIT, DEMUYNCK, DYKE, HU, ESCUILLIE & CLAEYS, 2013
Etymology: Lagin, brevi, "short" and Latin, penna, "feather."

Holotype: YFGP-T5197

Locality: Yaolugou, Jianchang County, Western Liaoning Province, China.

Horizon: Tiaojishan Formation.

Biostatigraphy:

Age: Oxfordian Stage, Malm Epoch, ealry Late Jurassic.

Material: Skull and skeleton.

Note: With feather impressions all over the body, and short feathers on the wings, and the tail.