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Alexornis Alexornis antecedens Brodkorb 1976
/ɐlˈɛksɔːɹniz/
estimated
Late Cretaceous (Santonian) · 85.7–83.6 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
solitary
Where It Was Found
Country
Mexico
Region
Baja California
Formation
La Bocana Roja
Dig sites
1
distinct collections
Overview
Alexornis antecedens is a theropod dinosaur known from the Late Cretaceous, roughly 85.7–83.6 million years ago. It was a carnivore. It is recorded as ground-dwelling and solitary. Fossils have been recovered from Baja California, Mexico. It was named by Brodkorb 1976. The species is represented by 1 recorded occurrence in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~5%
confidence from occurrence count
Based on 1 recorded occurrence in the Paleobiology Database.
Geologic Time
Where Alexornis antecedens sits in deep time
Alexornis
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Alexornis antecedens's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.