Earth’s Geological History

These Fossil Mummies Reveal a Brutal World Long Before T. Rex Lived

These Fossil Mummies Reveal a Brutal World Long Before T. Rex Lived

Juvenile Lystrosaurus murrayi skeleton with enveloping layer interpreted as mummified skin. Photo: Courtesy of Roger Smith It was a time of catastrophic change. Most life on Earth had been wiped out, global temperatures had risen dramatically, and the weather was raging in extremes. That something survived in this harsh environment is remarkable, and yet some …

These Fossil Mummies Reveal a Brutal World Long Before T. Rex Lived Read More »

This ancient reptile is not a lizard.  Don't call him a lizard

This ancient reptile is not a lizard. Don’t call him a lizard

150 million years ago, a prehistoric reptile unlike modern lizards snuck around what is now Wyoming. An ancient rhynchocephalus, the discovery of the insectivorous animal could shed light on the persistence of its living relative, the tuatara. The reptile is named Pray Gregory. It looks like a lizard, but like the New Zealand tuatara, it …

This ancient reptile is not a lizard. Don’t call him a lizard Read More »

This ancient reptile is not a lizard.  Don't call him a lizard

This ancient reptile is not a lizard. Don’t call him a lizard

150 million years ago, a prehistoric reptile unlike modern lizards snuck around what is now Wyoming. An ancient rhynchocephalus, the discovery of the insectivorous animal could shed light on the persistence of its living relative, the tuatara. The reptile is named Pray Gregory. It looks like a lizard, but like the New Zealand tuatara, it …

This ancient reptile is not a lizard. Don’t call him a lizard Read More »