Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page or via the Support page.
Dinosaur: Avaceratops lammersi
| Length*: | 4.4 m | 14.4 ft |
| Weight*: | 1000 kg | 2,205 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: valid
Author: Dodson
Year: 1986
Distribution
Area: North America
Country: USA
Region: Montana
Formation: Judith River
Locations
Sources
Material: Partial skeleton with skull, referred two left squamosal and partial skull ?
References: Penkalski, P. & Dodson, P. (1999). "The morphology and systematics of Avaceratops, a primitive horned dinosaur from the Judith River Formation (Late Campanian) of Montana, with the description of a second skull".
