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image: Image of the Day: Toothy Slugs

Image of the Day: Toothy Slugs

By | February 7, 2017

The 480–million-year old Calvapilosa kroegerii was a spiny slug with a tongue lined with hundreds of tiny teeth.

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image: Image of the Day: Giant Otters

Image of the Day: Giant Otters

By | January 24, 2017

Paleontologists uncover a nearly complete cranium of Siamogale melilutra, a 6.24 million-year-old otter species that was as large as some modern wolf species.

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image: Long Egg Incubations May Have Doomed the Dinosaurs

Long Egg Incubations May Have Doomed the Dinosaurs

By | January 5, 2017

An investigation of fossilized teeth reveals that some dinosaurs took more than six months to hatch, hindering their abilities to procreate quickly and efficiently.

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image: Fossilized Dinosaur Brain Found

Fossilized Dinosaur Brain Found

By | October 31, 2016

Prehistoric soft tissue can be hard to come by. The preserved remains of dinosaur brains have long remained elusive—until now.

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image: Ancient Fossils May Change Earth’s Biological Origin Story

Ancient Fossils May Change Earth’s Biological Origin Story

By | September 2, 2016

Stromatolites uncovered in Greenland predate other fossils by 220 million years.

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image: Extinct River Dolphin Species Discovered

Extinct River Dolphin Species Discovered

By | August 16, 2016

Overlooked for half a century, a skull in the Smithsonian collection points to a dolphin species that lived 25 million years ago, according to a study.

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image: Fossilized Feces Reveal Silk Road Parasites

Fossilized Feces Reveal Silk Road Parasites

By | July 25, 2016

Scientists have found the first evidence of these organisms on ancient “hygiene sticks.”

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image: Newborn Dinosaurs

Newborn Dinosaurs

By | April 22, 2016

The world’s largest dinosaurs were born with adult-like proportions, possibly allowing them independence at a younger age, scientists show.

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image: Brains Before Brawn

Brains Before Brawn

By | March 16, 2016

A newly described horse-size relative of Tyrannosaurus rex may help settle the question of how massive carnivorous dinosaurs took shape throughout the eons.

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image: To Retain a Brain

To Retain a Brain

By | January 1, 2016

Exceptional neural fossil preservation helps answer questions about ancient arthropod evolution.

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