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Study Reveals True Origin of Oldest Evidence of Animals

Two teams of scientists have resolved a longstanding controversy surrounding the origins of complex life on Earth.

Prehistoric Shark Hid its Largest Teeth

Some, if not all, early sharks that lived 300 to 400 million years ago not only dropped their lower jaws downward but rotated them outwards when opening their mouths.

Paleontologists Uncover Three New Species of Extinct Walruses in Orange County

Millions of years ago, in the warm Pacific Ocean off the coast of Southern California, walrus species without tusks lived abundantly.

Fossil Shark Turns in to Mystery Pterosaur

Palaeontologists have made a surprising discovery while searching through 100-year-old fossil collections from the UK - a new mystery species of pterosaur, unlike anything seen before.

The First Duckbill Dinosaur Fossil From Africa Hints at How Dinosaurs Once Crossed Oceans

The first fossils of a duckbilled dinosaur have been discovered in Africa, suggesting dinosaurs crossed hundreds of kilometres of open water to get there.

Paleontologists Describe Skeleton of a Juvenile Plateosaurus For First Time

Long neck, small head and a live weight of several tons - with this description you could have tracked down the Plateosaurus in Central Europe about 220 million years ago.

Ancient Crocodiles’ Family Tree Reveals Unexpected Twists & Turns

Scientists probing a prehistoric crocodile group's shadowy past have discovered a timeless truth - pore over anyone's family tree long enough, and something surprising will emerge.

Half a Billion Years Old Microfossils May Yield New Knowledge of Animal Origins

When and how did the first animals appear? Science has long sought an answer. Uppsala University researchers and colleagues in Denmark have now jointly found, in Greenland, embryo-like microfossils up to 570 million years old, revealing that organisms of this type were dispersed throughout the world. 

Indian Fossils Support New Hypothesis for Origin of Hoofed Mammals

New research published today in the Journal of Vertebrate Paleontology describes a fossil family that illuminates the origin of perissodactyls - the group of mammals that includes horses, rhinos, and tapirs.

New Species of Ancient Cynodont, 220 Million Years Old

Fossilized jaw bone fragments of a rat-like creature found at the Petrified Forest National Park in Arizona last year by a Virginia Tech College of Science Ph.D. candidate are in fact a newly discovered 220-million-year-old species of cynodont or stem-mammal, a precursor of modern-day mammals.

A 520-Million-Year-Old Five-Eyed Fossil Reveals Arthropod Origin

The arthropods have been among the most successful animals on Earth since the Cambrian Period, about 520 million years ago.

Fossils Reveal Mammals Mingled in Age of Dinosaurs

The fossil remains of several small mammals discovered in tightly packed clusters in western Montana provide the earliest evidence of social behavior in mammals, according to a new study co-authored by a Yale scientist.