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The estimates were criticized because the skull length estimate was uncertain, and (assuming that body mass increases as the cube of body length) scaling Suchomimus, which was 11 m (36 ft) long and 3.8 t (4.2 short tons) in mass, to the range of estimated lengths of Spinosaurus would produce an estimated body mass of 11.7 to 16.7 t (12.9 to 18. ...
Reconstructed adult and juvenile Spinophorosaurus skeletons (A, B) compared in size with adult and juvenile giraffes (C, D) and a human (E). The holotype specimen was initially estimated to have been around 13 metres (43 ft) in length when measured along the vertebral column, while the paratype was about 13 per cent larger, measuring around 14 m (46 ft).
The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the K–T extinction, [b] was the mass extinction of three-quarters of the plant and animal species on Earth [2] [3] approximately 66 million years ago. The event caused the extinction of all known non-avian dinosaurs.
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 ...
The newest addition to the Field Museum on Chicago's lakefront will give visitors a glimpse of the largest predatory dinosaur yet discovered via a 46-foot (14.02 meter) cast of a Spinosaurus ...
Irritator is a genus of spinosaurid dinosaur that lived in what is now Brazil during the Albian stage of the Early Cretaceous Period, about 113 to 110 million years ago.It is known from a nearly complete skull found in the Romualdo Formation of the Araripe Basin.
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 ...
The narrator explains how the Permian mass extinction led to new forms of life, including, eventually, the most extraordinary creatures ever to walk the planet, the dinosaurs. The camera tracks a Coelophysis through the woods. The program depicts Coelophysis as preying mainly on small animals, such as insects and Icarosaurus.