A new genus and species of caseid synapsid that lived 264 million years ago (Permian period) has been identified from a partial but well-preserved postcranial...
Woodwardopterus freemanorum was over 1 m (3.3 feet) in length and lived some 252 million years ago (Late Permian epoch) in a freshwater environment.
Life...
Extreme warming at the end of the Permian period induced profound changes in marine biogeochemical cycling and animal habitability, leading to the largest...
The whole-body endothermy seen in modern birds and mammals is long held to have evolved independently in each group, a reasonable assumption when it was...
Paleontologists have uncovered seven well-preserved teeth from the extinct shark genus Petalodus in Shanxi province, China.
Life restoration of Petalodus...
Noeggerathiales are enigmatic plants that existed during Carboniferous and Permian times, 323 to 252 million years ago. Although their diversity and distribution...
The end-Permian mass extinction, also known as the Permian-Triassic extinction event and the Great Dying, is the largest mass extinction event in Earth’s...
The ancestors of both mammals and birds became warm-blooded at the same time, some 250 million years ago, in the time of the end-Permian mass extinction,...
An international team of geologists has found the first direct evidence that volcanic eruptions in the southern part of the Siberian Traps region 252 million...
An international team of paleontologists from China and the United States has found high levels of mercury in the end-Permian marine sediments at nearly...
Some 252 million years ago, intense volcanic activity belched massive volumes of greenhouse gasses into the atmosphere and triggered rapid changes to the...
A new study shows how a group of ancient reptiles called captorhinids could detach their tails to avoid predation.
This is an illustration of Captorhinus,...
Angiosperms (flowering plants) are neither as old as suggested by previous molecular studies, nor as young as a literal interpretation of their fossil...
A research team led by University of Wisconsin-Milwaukee paleoecologist Erik Gulbranson has found the fossil remnants of a Permian-age forest on the frozen...
Temnospondyls — a diverse group of extinct small-to-giant amphibians that flourished worldwide during the Carboniferous, Permian, and Triassic periods...
When you’re a small pre-mammalian creature, sometimes the only way to protect yourself against fearsome predators like saber-toothed carnivores is to...
A new study on the partially shelled fossil turtles suggests the broad-ribbed proto shell was initially an adaptation, not for protection, but rather for...
