Species: heilmanni CZERKAS & YUAN, 2002
Etymology: In honor of Gerhard Heilman, the pioneer of avian Paleontological studies who championed the concept of birds being derived from an arboreal ancestry.

Holotype: CAGS02-IG-gausa-1/DM 607

Locality: Dawangzhanzi fossil site, Lingyuan City, Western Liaoning Province, China.

Horizon: Basal part of the Yixian Formation.

Biostratigraphy:

Age: Late Jurassic to Early Cretaceous.

Material: Fragmentary skull (posterior half of the skull and lower jaws), and fragmentary skeleton with impressions of down-like feathers impressions as well as a patch of tubercles tentatively identified as scaly skin.