1922 in paleontology

Dinosaurs

• Krausel reported fossil gut contents from an Edmontosaurus annectens mummy. He described the material as including conifer needles and branches, deciduous foliage, and possible small seeds or fruit.
• Abel argued that the plant material Krausel argues was the fossilized remains of the gut contents of an Edmontosaurus annectens was actually deposited by flowing water.

Synapsids

Non-mammalian

Name	Status	Authors	Age	Location	Notes	Images
Dvinia	Valid	Amalitski	255 Millions of years ago	Russia