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The remains of trilobites, a diverse group of marine animals much older than dinosaurs, are remarkably well preserved, providing fresh insights of their anatomies and social behavior.  Trilobites may be the archetypal fossils, symbols of an archaic world long swept beneath the ruthless road grade...

When Trilobites Ruled the World

When Trilobites Ruled the World : Classification Règne Animalia Sous-règne Bilateria Infra-règne Protostomia Super-embr.

Xuanhuaceratops

Discovered by Zhao et al., 2006 * Animals that start with X * prehistoric fauna * dinosaurs * extinct animals

Walking with Dinosaurs: Eustreptospondylus by TrefRex.deviantart.com on @DeviantArt

Eustreptospondylus oxoniensis Named by: Alick Walker, 1964 Diet: Carnivore (Prey included young sauropods, ornithopod Callovosaurus, and stegosaurs. Walking with Dinosaurs: Eustreptospondylus

Koskinonodon perfecta Named by E. B. Branson and M. G. Mehl, 1929 Diet: Carnivore/Piscivore Type: Stereospondyl trematosaur temnospondyl amphibian (metoposaur) Size: 10 feet (3 meters) long and 200...

Koskinonodon perfecta Named by E. Branson and M. Mehl, 1929 Diet: Carnivore/Piscivore Type: Stereospondyl trematosaur temnospondyl amphibian (metoposaur) Size: 10 feet meters) long and

I love this vision of Spinosaurus! The artist captures the buoyancy the hunter feels as it lurks in a comfortable shallow. German paleontologists found Spinosaur fossils during WWI. Those specimens were destroyed by bombing in WWII. Only recently have more turned up. The current view is that Spinosaurus was more aquatic in its habits than modern hippos. The spine was a sexual display ornament.

Spinosaurus may be the larges Theropod to ever stalk the Prehistoric Americas and believed to be even larger than T-Rex. Recently (late it was determined to be the first and only known aquatic dinosaur.

Utahraptor on the hunt.

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Love in the Time of Chasmosaurs

Ankylosaurus magniventris By Fabrizio De Rossi, used with permission from

Baby indominous rex

Indominus Rex as a hatchling. A baby picture of the most villainous movie character since Delores Umbridge.

Size albertosaurus

Albertosaurus

Size albertosaurus

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