Dinosauria›Ornithischia›Thescelosauridae
Silhouette of Orodromeus makelai

Orodromeus Orodromeus makelai Horner and Weishampel 1988

/ˈɔːɹədɹˌoʊmiəs/ estimated
Late Cretaceous (Maastrichtian) · 83.6–66 Mya

Key Statistics

Diet
herbivore
Locomotion
Unknown

Overview

Orodromeus makelai is a dinosaur known from the Late Cretaceous, roughly 83.6–66.0 million years ago. It was a herbivore. It was named by Horner and Weishampel 1988. The species is represented by 8 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~27%
confidence from occurrence count
Confirmed
Inferred
Based on 8 recorded occurrences in the Paleobiology Database.

Geologic Time

Where Orodromeus makelai sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Orodromeus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Orodromeus makelai's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.

predator–prey
Saurornitholestes
Saurornitholestes langstoni
View profile →
predator–prey
Tyrannosaurus
Tyrannosaurus rex
View profile →
predator–prey
Richardoestesia
Richardoestesia isosceles
View profile →
coexisted–with
Richardoestesia
Richardoestesia gilmorei
View profile →
coexisted–with
Troodon
Troodon formosus
View profile →
same–clade
Thescelosaurus
Thescelosaurus neglectus
View profile →
same–clade
Koreanosaurus
Koreanosaurus boseongensis
View profile →
same–clade
Albertadromeus
Albertadromeus syntarsus
View profile →