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Araripesuchus is an extinct genus of notosuchian crocodyliform that lived in Gondwana during the Middle Cretaceous (110-95 million years ago). The genus includes at least 5 species found throughout Western Africa and South America.  It was about six feet long and 200 pounds.

Prehistoric Crocodile Pictures: Araripesuchus looks like a crocodile caught halfway into becoming a theropod dinosaur--not a stretch, since both dinosaurs and crocodiles evolved from the same archosaur stock tens of millions of years earlier.

The World’s Worst Mass Extinctions

History is riddled with massive die-offs. At times, of Earth& species disappeared. Here& a look at the worst extinction events and what caused them.

Josephoartigasia monesi, the largest rodent known to science. It’s something like a cross between a guinea pig and a rhinoceros. It would have stood about four feet high at the shoulder, weighing about 2,000 pounds.

The weirdest rodents and rodent-like animals - Images of mysterious animals that look like the result of genetic experiments and ones with eyes, ears and noses too large for their body.

The smilodons attack method was almost surgical. It's teeth were so big that it couldn't bite into the belly of an animal, so it bite the neck lightly  in an up and down motion, making sure not to break it's teeth on bone.

sabre-toothed cat Smilodon attacking an entrapped giant ground sloth, Paramylodon, by Mauricio Anton

Dinosaur of the Week: Giant Fossil Weasels, Potamotherium miocenium

Technically we are not talking about a weasel or an otter (it is an otter-like creature though). This week we are discussing an extinct must.

Giant Prehistoric mammals | ... of this genus were among the largest terrestrial carnivorous mammals

Hyaenodon ( 'hyena's tooth ") is an extinct genus of mammals of the order of creodonts. Some species of this genus were among the largest t.

Natural History Museum Signage by Beth Zaiken

Design and Illustration for Pleistocene (Ice Age) specimens and fossils, natural history museum signage.

Natural History Museum Signage | Part III on RISD Portfolios

Design and Illustration for extinct, prehistoric animal specimens and fossils, natural history museum signage.

Pterosaurs are my favorite dino-adjacent...

Quetzalcoatlus, perhaps the largest flying animal of all time, was a pterosaur from North America. It is shown here in a highly speculative reconstruction by Vincent Coviello.

theolduvaigorge: Ice Age Giants “Amazing...

theolduvaigorge: “ Ice Age Giants “ “Amazing animation and new science reveals the lives of Ice Age beasts”

Los dinornítidos o moas (Dinornithidae), eran aves no voladoras que habitaban en Nueva Zelanda. Se conocen diez especies de diferentes tamaños, desde la pequeña Eurayapteryx curtus, del tamaño de un gallo, hasta las moas gigantes (Dinornis), que...

Ave Gigante Extinta.El Moa de Nueva Zelanda

The first colonial period is also known as the Moa Hunter period. This large flightless bird was hunted to extinction within 100 years