Rock unit

Majiacun

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

DendroolithusZhao and Li 1988
Eggs143.1–66 million years ago
ElongatoolithusZhao 1975
Eggs143.1–66 million years ago
PrismatoolithusZhao and Li 1993
Eggs125.77–66 million years ago
OvaloolithusZhao 1979
Eggs100.5–66 million years ago
ParaspheroolithusZhao 1979
Eggs100.5–66 million years ago
PlacoolithusZhao 1979
Eggs89.8–83.6 million years ago