Dinosauria › Reptilia › Ichthyornithes
Ichthyornis
Ichthyornis dispar Marsh 1872
Late Cretaceous (Campanian) · 89.8–72.2 Mya
Key Statistics
Diet
piscivore
Locomotion
bipedal
inferred from clade
Overview
Ichthyornis dispar is a theropod dinosaur known from the Late Cretaceous, roughly 89.8–72.2 million years ago. It was a piscivore. It was named by Marsh 1872. The species is represented by 26 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~65%
confidence from occurrence count
Confirmed
Inferred
Based on 26 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Ichthyornis sits in deep time
Ichthyornis
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Ichthyornis's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.