Dinosaur Fossils

The wonder of geology, to me, is that it's so much more than a study of inanimate rocks and stones. It's a history of our planet, of life on Earth, and even of time itself. The landscapes and seas around us, our climate, the plants and animals we depend upon to live, the resources we use…

Dinosaur eggs are represented today as fossils, in particular trace fossils. Trace fossils of dinosaurs are marks or indicators preserved in the rocks left by the particular vertebrate at a particular time. They represent that product of egg laying activity and can offer clues to how dinosaurs behaved.1 Dinosaur eggs are known from about 200 sites around the world, the majority in Asia and mostly in terrestrial (nonmarine) rocks of Cretaceous age. It may be that thick calcite eggshells…

With feathers Without feathers Scientific classification Kingdom: Animalia Phylum: Chordata Order: Saurischia Suborder: Theropoda Family: †Dilophosauridae Genus: †DilophosaurusWelles, 1970 Species: †D. wetherilli Binomial name †Dilophosaurus wetherilliWelles, 1954 Synonyms Dilophosaurus breedorum (Welles & Pickering, 1999) Dilophosaurus (DI·loaf·o·SORE·us) (Greek, "double crested lizard") was the first large carnivorous dinosaur to appear in North America during the early Jurassic period. It…

T-rex skull Locality Hell Creek Formation, Harding County, South Dakota, USA

by Matthew Cobb In high desert of southwestern Wyoming in the USA there is a deserted town with the apt name of Fossil (pop: 5. Yes, 5). Around 52 million years ago, it was a subtropical lake surro…

Fossil of a dinosaur found in Dinosaur National Monument, Colorado/Utah

Dinosaur Footprints from the cretaceous period (120 million years ago) - Torotoro National Park - Bolivia

A new kind of pterosaur has been discovered by scientists. About 68 million years ago during the late Cretaceous period, a pterosaur flew through the skies.

Feathered theropods are pretty well established by now. There had been a reluctance to put feathers on T.rex, but it's a possibility that can't be...

This newly named ceratopsian dinosaur, based on a superbly preserved and amazing looking skull has already been doing the rounds in the media and on various blogs. Lead author Jim Kirkland has been…

Posadas de Dinosaurios

Recently scientists discovered a clutch of 150-million-year-old fossil eggs that may be an important “missing link” in evolutionary history. The eggs are dated to be from the Late Jurassic period a…

Seven-foot-tall, birdlike animal, roamed western North America around 66-68 million years ago

Alberta Badlands. World famous Parasaurolophus, Royal Ontario Museum.