O veloz Velociraptor, também conhecido como Raptor. Você pode acessar jogos online & grátis de dinossauros acessando o link - http://www.jogoson.com.br/jogos-de-dinossauros/
vector engraving: Trilobite
coyote skull references
Dent de Spinosaurus de 10,16 cm. Musée canadien de la nature
Rozsivky jak je vidí mikroskop
Ne clic pas ici! http://www.greenmaman.com/article-si-69674624.html
Trilobites: Variations on a Theme
Trilobites: Variations on a Theme - NYTimes.com
Smilodon por Todd Marshall
Synthetoceras is the first in our weekly series of "Extinct Mammals with the Craziest Headgear." It roamed the American plains several million years ago. Special thanks to illustrator Lucas Lima for creating the images in this series.
Seaweed fossil in rock. This rock and the fossil formed under an ancient sea, and was later uplifted to this location. This fossil was found at an altitude of around 3500 metres above sea level, near Cafayate, Jujuy Province, Argentina.