This tooth is in good condition with no repairs. Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the lower Albian to lower Cenomanian stages of the Cretaceous period, about 112 to 97 million years ago.Spinosaurus was among the largest of all known carnivorous dinosaurs, possibly larger than Tyrannosaurus and Giganotosaurus. Estimates published in 2005, 2007, and 2008 suggested that it was between 12.618 metres (4159 ft) in length and 7 to 20.9 tonnes (7.7 to 23.0 short tons) in weight.
A new estimate published in 2014 and based on a more complete specimen, supported the earlier research, finding that. Could reach lengths greater than 15 m (49 ft). Was long and narrow, similar to that of a modern. Is known to have eaten fish, and most scientists believe that it hunted both terrestrial and aquatic prey; evidence suggests that it lived both on land and in water as a modern crocodilian does.
Which were long extensions of the. Grew to at least 1.65 meters (5.4 ft) long and were likely to have had skin connecting them, forming a. Although some authors have suggested that the spines were covered in fat and formed a hump.Multiple functions have been put forward for this structure, including. Also referred to by various names including the. In southeastern Morocco, whose strata date back to the. Dinosaur remains are among the fossils that have been recovered from the formation. Recent fossil evidence in the form of isolated large abelisaurid bones and comparisons with other similarly aged deposits elsewhere in Africa indicates that the fauna of the Kem Kem Beds (specifically in regards to the numerous predatory theropod dinosaurs) may have been mixed together due to the harsh and changing geology of the region when in reality they would likely have preferred separate habitats and likely would be separated by millions of years. The item "Spinosaurus 4 1/2 Tooth Dinosaur Fossil T Rex era Cretaceous Snt62" is in sale since Sunday, February 23, 2020.
This item is in the category "Collectibles\Rocks, Fossils & Minerals\Fossils\Vertebrates\Amphibian, Reptile & Dinosaur". The seller is "megalofossils" and is located in Wake Forest, North Carolina. This item can be shipped worldwide.