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Eoenantiornis

Say it: EE-oh-en-AN-tee-OR-nis
Name means: “dawn Enantiornis”1
Ate: MeatEarly birdsEarly Cretaceous

Eoenantiornis was a small, early bird that lived during the Early Cretaceous period, about 125 million years ago. It had teeth and a long bony tail, and its body was covered in feathers. This bird was a meat-eater that probably hunted insects and other small animals.13

Lived
126 to 120 million years ago3
Early Cretaceous
Fossils found in
Heitizigou, Liaoning Province, China13
Top speed
about 27 km/h (17 mph)
Flying, estimate

When did it live?

Triassic
Jurassic
Cretaceous
252 million years ago20114566, the asteroid

How fast was it?

cool stuff

Fun facts

1

Eoenantiornis is one of the oldest known enantiornithine birds, a group often called 'opposite birds' because their shoulder joints were different from modern birds.1

2

The only known fossil of Eoenantiornis is a nearly complete skeleton with feather impressions, found in the Yixian Formation in China.12

3

This bird was not fully grown when it died, so scientists think it was a juvenile.1

4

Eoenantiornis lived during the Early Cretaceous, about 125 to 120 million years ago, in what is now Liaoning, China.32

5

The name Eoenantiornis means 'dawn Enantiornis', because scientists thought it was an early relative of the bird Enantiornis.1

AI-madeAI-made picture of Eoenantiornis
An AI-made picture of how Eoenantiornis might have looked, made by a computer from what scientists know. It is a guess: the real animal may have looked different, and nobody knows its true colours.

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Scientific name
Eoenantiornis
Named by
Hou et al. 19993
Group
Early birds
Family / clade
Enantiornithes3
Classification
Theropoda > Avialae3
Age of the rocks
126 to 120 million years (Barremian / Aptian)3
Rock formations
Yixian3
Countries
China3
Fossil records
1 in the Paleobiology Database3
Discovery
Eoenantiornis was named in 1999 by Hou Lianhu, Larry Martin, Zhou Zhonghe, and John Alan Feduccia. The only fossil, a nearly complete skeleton, was found at Heitizigou in Liaoning, China.13
Still debated
Scientists are still debating exactly where Eoenantiornis fits in the bird family tree, though it is generally placed among the enantiornithine birds.1

Where the facts come from

  1. Eoenantiornis (en.wikipedia.org)
  2. PBDB Taxon (paleobiodb.org)
  3. Eoenantiornis in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.

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More from the same group: Early birds

Also from the same time: Early Cretaceous

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