Cyrtonyx Cyrtonyx montezumae (Vigors 1830)
/sˈɪətˌɑːnɪks/
estimated
Late Cretaceous (Holocene) · ~0.1 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Overview
Cyrtonyx montezumae is a theropod dinosaur known from Late Cretaceous. It was a herbivore. It was named by (Vigors 1830). The species is represented by 2 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~8%
fragmentary record
Confirmed
Inferred
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Cyrtonyx montezumae sits in deep time
Cyrtonyx
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Cyrtonyx montezumae's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.