cf. Neognathae CURRIE, 1986

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

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HILTON, GOHRE, EMBRTEE & STIDHAM, 1999

Locality: Butte County Site, California.

Horizon: Chico Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UCMP 171185: Ulna.