List of dinosaur specimens with preserved soft tissue

There have been some discoveries of unusually well-preserved fossil dinosaur specimens which bear remnants of tissues and bodily structures. Such tissue usually decays too quickly to enter the fossil record, unlike more durable bones and teeth.

Ornithopods

Hadrosaurs

Nickname Catalogue Number Institution Taxon Age Unit Country Notes Images

Dakota

MRF-03

Marmarth Research Foundation

Edmontosaurus

Maastrichtian

Hell Creek Formation

United States

Impression of "Dakota"'s skin

Trachodon mummy

AMNH 5060

American Museum of Natural History

Edmontosaurus annectens

United States

The "Trachodon mummy"
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