Search results
Results From The WOW.Com Content Network
A 69-million-year-old skull found in Antarctica belonged to what scientists say is the oldest known modern bird.. An early relative of the continent’s ducks and geese, it lived off the Antarctic ...
A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today, a new ...
The holotype of the partial skull shows evidence of promiment upper and lower canine teeth. [1] The genus name Rhigosaurus comes from the Greek rhigos, meaning cold, and sauros, meaning lizard or reptile. The name was coined by Edwin Harris Colbert and James William Kitching, who described the species in 1981 based on a fossil found in 1970 ...
For premium support please call: 800-290-4726 more ways to reach us
[4] [1] [5] D. pusillus, known from a pair of minuscule skulls found in Texas and stored at the Palaeontological Museum of Munich, is a more controversial species. The skulls are distinctive compared to adult Diplocaulus specimens from other species, and some early sources have doubted their referral to the genus.
The animals inhabiting Antarctica at this time would still have had to endure long periods of darkness during the winter, much like in modern-day Antarctica. [18] Despite being found in marine sediment, Antarctopelta, like all ankylosaurs, lived on land. Other ankylosaurs have also been found in marine sediments, likely as a result of carcasses ...
For premium support please call: 800-290-4726 more ways to reach us
In this superfamily, the humerus is widest near the shoulder, the femur is widest near the knee, the radius is reniform ("kidney-shaped"), and phalanges are long and plate-like. Askeptosauroids retain hourglass-shaped limb bones like land reptiles, but even they share specializations with thalattosauroids such as a short tibia and fibula , with ...