Dinosauria›Saurischia
Anchisaurus Anchisaurus polyzelus (Hitchcock 1865)
/ˌæntʃɪsˈɔːɹəs/
estimated
Early Jurassic (Sinemurian) · 201.4–192.9 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Where It Was Found
Country
United States
Region
Massachusetts
Formation
Portland
Dig sites
1
distinct collections
Overview
Anchisaurus polyzelus is a sauropodomorph dinosaur known from the Early Jurassic, roughly 201.4–192.9 million years ago. It was a inferred herbivore. Fossils have been recovered from Massachusetts, United States. It was named by (Hitchcock 1865). The species is represented by 4 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~15%
confidence from occurrence count
Based on 4 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Anchisaurus polyzelus sits in deep time
Anchisaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Anchisaurus polyzelus'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.