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Ordoviciano

Ordoviciano

Spinosaurus is the largest of all known carnivorous dinosaurs, larger than Tyrannosaurus and Giganotosaurus. Estimates published in 2005 and 2007 suggest that it was 12.6 to 18 metres (41 to 59 ft) in length and 7 to 20.9 tonnes (7.7 to 23.0 short tons) in weight.

Spinosaurus is the largest of all known carnivorous dinosaurs, larger than Tyrannosaurus and Giganotosaurus. Estimates published in 2005 and 2007 suggest that it was to 18 metres to 59 ft) in length and 7 to tonnes to short tons) i

Bichos artísticos

Bichos artísticos

antediluvianechoes:  Stegosaurus, David Krentz Rain whispers against leaves and murmurs on Stegosaurus’s plates. It’s an early June sunshowe...

Stegosaurus, David Krentz Rain whispers against leaves and murmurs on Stegosaurus’s plates. It’s an early June sunshower, sudden and chilly. When it’s over, Stegosaurus ambles.

Haha! Great reconstruction of pixar's short film about birds starring a scientifically accurate Deinonychus. I love this so much.

Great reconstruction of pixar's short film about birds starring a scientifically accurate Deinonychus.

Upper Jurassic underwater “forest” of Volga region. By NGZver

Upper Jurassic underwater "forest" of Volga region. Part Pliosaurus irgisensis. Jurassic underwater forest part 2

Xiphactinus (from Latin and Greek for "sword-ray") is an extinct genus of large, 4.5 to 6 m (15 to 20 feet) long predatory marine bony fish that lived during the Late Cretaceous.

Xiphactinus (from Latin and Greek for "sword-ray") is an extinct genus of large, to 6 m to 20 feet) long predatory marine bony fish that lived during the Late Cretaceous.

Nemicolopterus is a genus of pterodactyloid pterosaur, described in 2008. The type and only known species is N. crypticus. It lived in the Jehol Biota 120 million years ago. Its wingspan of slightly under 25 cm (10 in) makes it smaller than all but a few specimens of hatchling pterosaurs. | Artist rendering illustration

Nemicolopterus crypticus, New Tiny Pterosaur fossil discovered in China.

Siluriano terzo periodo del Paleozoico. In foto: Pterygotus, Acantode, Brontoscorpio e Bothriolephis.

Siluriano terzo periodo del Paleozoico. In foto: Pterygotus, Acantode, Brontoscorpio e Bothriolephis.

dinosaur art | The Last Dinosaur Digital Art

Archaeopteryx is a creature that seems to be half bird, half dinosaur. He is featured in this latest of my paleo art series. It lived in the Late Jurassic Period around 150 million years ago and it.

Eryops (tetrápodo temnospóndilo del Carbonífero de EEUU, 305mA) (D.W.Miller)

Eryops - Late Carboniferous to Early Permian At 2 m long, this amphibious tetrapod was one of the top predators in its environment. Foot prints of this creature are commonly found at Joggins, Nova Scotia, Canada

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