Marshosaurus Marshosaurus bicentesimus Madsen 1976
/mˌɑːɹʃəsˈɔːɹəs/
estimated
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
Country
United States
Region
Utah
Formation
Morrison
Dig sites
2
distinct collections
Overview
Marshosaurus bicentesimus 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 Utah, United States. It was named by Madsen 1976. 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%
confidence from occurrence count
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Marshosaurus bicentesimus sits in deep time
Marshosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Marshosaurus bicentesimus'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.