Dinosauria › Saurischia › Sauropodomorpha › Massospondylidae
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Ignavusaurus
Ignavusaurus rachelis Knoll 2010
Early Jurassic (Sinemurian) · 201.4–192.9 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Ignavusaurus rachelis is a sauropodomorph dinosaur known from the Early Jurassic, roughly 201.4–192.9 million years ago. It was a inferred herbivore. It was named by Knoll 2010. 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 Ignavusaurus sits in deep time
Ignavusaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Ignavusaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.