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Fossils at Fossil Fest in Round Rock, Texas

de Washington Post

This ancient Chinese bird kept its feathers, and colors, for 130 million years

A new technique — which can also be used for dinosaurs, one paleontologist said — led to the discovery of key proteins within the old feathers.

Deinosuchus , 30 foot Crocodilian Skeleton Deinosuchus is an extinct genusrelated to the alligator that lived 80 to 73 million years ago (Ma), during the late Cretaceous period. The name translates as "terrible crocodile" and is derived from the Greek deinos "terrible", and soukhos "crocodile". The first remains were discovered in North Carolina (United States) in the 1850s; the genus was named and described in 1909

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Fossils at Fossil Fest in Round Rock, Texas

Prognathodon Mosasaur Skeleton A medium to large-sized mosasaur, with the skull length reaching 1.5 meters and the total body length up to around 10 meters; the skull was massive and proportionately large.It had protective bony rings surrounding its eye sockets, indicating it lived in deep water. Its teeth are similar to those of some Triassic placodonts, so it may have lived a similar lifestyle, feeding on shellfish, large fish, and sea turtles

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Parapuzosia seppenradensis is the largest known ammonite. This specimen found in Germany measures 1.8 m (5.9 ft) in diameter,

Le spécimen CMNH 7541 est-il un T. rex juvénile ou un Nanotyrannus lancencis ? Le débat continue.