Dinosaur: Koparion douglassi
Jurassic: 149.2–145 Ma
| Length*: | 1.05 m | 3.4 ft |
| Weight*: | 2.4 kg | 5 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Early Tithonian
Years: 149.2–145 Ma
Details
Status: nomen dubium
Author: Chure
Year: 1994
Distribution
Area: North America
Country: USA
Region: Utah
Formation: Morrison
Sources
Material: Maxillary tooth.
References: Chure, (1994). Koparion douglassi, a new dinosaur from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument; The oldest troodontid (Theropoda: Maniraptora).
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