Rock unit

Prince Creek

6 dinosaur genera in Omnisaura with fossils from the Prince Creek, oldest first. See all rock units.

DromaeosaurusMatthew and Brown 1922
Bones110.1–66 million years ago
EdmontosaurusLambe 1917
Bones89.8–66 million years ago
PachyrhinosaurusSternberg 1950
Bones83.6–66 million years ago
SaurornitholestesSues 1978
Bones83.6–66 million years ago
TroodonLeidy 1856
Bones83.6–66 million years ago
AlaskacephaleSullivan 2006
Bones72.2–66 million years ago