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Spinosaurus is known to have eaten fish and small to medium terrestrial prey as well. [5] Evidence suggests that it was semiaquatic; how capable it was of swimming has been strongly contested. Spinosaurus's leg bones had osteosclerosis (high bone density), allowing for better buoyancy control.
Most other tetrapods weighing more than 25 kg (55 lb) also became extinct, with the exception of some ectothermic species such as sea turtles and crocodilians. [4] It marked the end of the Cretaceous period, and with it the Mesozoic era, while heralding the beginning of the current era, the Cenozoic .
Spinosaurus is known to have eaten fish; evidence suggests that it lived both on land and in water like a modern crocodilian. The distinctive spines of Spinosaurus , which were long extensions of the vertebrae , grew to at least 1.65 meters (5.4 ft) long and were likely to have had skin connecting them, forming a sail-like structure .
The fossil provides a rare glimpse into a time of global environmental changes and faunal turnover, when some species go extinct while new ones are introduced due to varying changes in the habitat ...
Oxalaia (in reference to the African deity Oxalá) is a controversial genus of spinosaurid dinosaur that lived in what is now the Northeast Region of Brazil during the Cenomanian stage of the Late Cretaceous period, sometime between 100.5 and 93.9 million years ago.
The Tethys Ocean splitting Laurasia from Gondwana.. Dinosaurs evolved partway through the Triassic period of the Mesozoic era, around 230 Ma (million years ago). At that time, the earth had one supercontinental landmass, called Pangaea, of which Europe was a part.
Standing at 9 feet tall and weighing up to 660 pounds, Gigantopithecus blacki was the largest primate to walk the Earth. The giant ape — an herbivore with a fondness for fruit — appeared in ...
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