Dinosauria›Reptilia
Ceratosaurus Ceratosaurus nasicornis (Marsh 1884)
/ˌsɛrətoʊˈsɔːrəs/
Late Jurassic (Tithonian) · 154.8–143.1 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
solitary
Where It Was Found
Countries
United States, Portugal
Regions
Colorado · Utah · Centro
Formations
Morrison · Praia da Amoreira-Porto Novo
Dig sites
4
distinct collections
Overview
Ceratosaurus nasicornis is a theropod dinosaur known from the Late Jurassic, roughly 154.8–143.1 million years ago. It was a carnivore. It is recorded as ground-dwelling and solitary. Fossils have been recovered from Colorado, United States and elsewhere. It was named by (Marsh 1884). The species is represented by 6 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~21%
confidence from occurrence count
Based on 6 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Ceratosaurus nasicornis sits in deep time
Ceratosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Ceratosaurus nasicornis'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.