Locality: Exposed along the Yukon River, Yukon-Koyukuk Basin, West-central Alaska.

Horizon: Ks unit.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Late Early Cretaceous Epoch, Late Early Cretaceous-Cenomanian Stage, middle Gallic Subepoch, Early Gulf Epoch, Middle Cretaceous.

Material:

A-B, field number 23AF8-8-2: 2 pes tracks.

Archaeornithipus sp modified from FIORILLO, KOBAYASHI & McCARTHY, 2024.