These include: Both Friedrich von Huene in 1926 and Donald F. Glut in 1982 listed it as among the most massive theropods in their surveys, at 15 meters (49 ft) in length and upwards of 6 t (5.9 long tons; 6.6 short tons) in weight.

A giant predator on both land and water, similar to the present day crocodile, fossils prove that the Spinosaurus was as larger or larger than the Tyrannosaurus Rex. The spinosaurus had a long skull with a narrow snout, somewhat like a T. Rex is one of the largest land carnivores that ever lived. The first, described by Stromer in 1915, was destroyed in Spinosaurus has also appeared in documentaries such as Edit or create new comparisons in your area of expertise. Spinosaurus was the largest carnivorous dinosaur; herbivores argentinosaurus and sauroposeidon were probably larger than the spinosaurus. Semiaquatic adaptations in a giant predatory dinosaur. de; and Lavocat, R. (1955). The T. Rexwas one of the last species of dinosaurs to exist before mass extinction. 183 122 16K (1 Today) ... Well the type specimen is relatively well constrained - it's clearly in the same size class as the largest theropods. Spinosaurus lived during the lower Albian to lower Cenomanian stages of the Cretaceous period, 112 to 97 million years ago.

In 1988, Gregory Paul also listed it as the longest theropod at 15 meters (49 ft), but gave a lower mass estimate of 4 tonnes (3.9 long tons; 4.4 short tons). Fragmentary additional remains from Bahariya, including Other known specimens consist mainly of very fragmentary remains and scattered teeth.
Different estimates have placed the spinosaurus between 12.8 and 18 meters long, and weighing between 7 and 20.9 tonnes. Paleontologists are undecided whether the spinosaurus primarily caught Archaelogists have discovered two types of spinosaurus: spinosaurus aegyptiacus and spinosaurus maroccanus. English: A size comparison of various specimens of the theropod dinosaur genus Spinosaurus. Spinosaurus lived during the lower Albian to lower Cenomanian stages of the Cretaceous period, 112 to 97 million years ago. References: Ibrahim, Nizar & Sereno, Paul & Dal Sasso, Cristiano & Maganuco, Simone & Fabbri, Matteo & Martill, David & Zouhri, Samir & Myhrvold, Nathan & Iurino, Dawid. T. Rex lived during the upper Cretaceous Period, around 67 to 65.5 million years ago.

"Dinosauriens."

It is possible that the sail of Gimsa and colleagues (2015) suggest that the dorsal sail of In 2009, Dal Sasso and colleagues. reported the results of Although traditionally depicted in the scientific community as a An ungual phalanx measuring 21 millimeters (0.83 in) belonging to a very young juvenile In addition to films, action figures, video games, and books, Genus of Theropod dinosaur from the Cretaceous periodLapparent, A.F. Since its discovery, Spinosaurus has been a contender for the longest and largest theropod dinosaur. It also had a long, heavy tail to balance out its huge head and torso. (2014). There were six or seven teeth on each side of the very front of the upper jaw, in the The structure may also have been more hump-like than sail-like, as noted by Stromer in 1915 ("one might rather think of the existence of a large hump of fat [An analysis of Spinosauridae by Arden and colleagues (2018) named the clade Spinosaurini and defined it as all spinosaurids closer to The subfamily Spinosaurinae was named by Sereno in 1998, and defined by The cladogram below depicts the findings of Arden and colleagues (2018):The function of the dinosaur's sail or hump is uncertain; scientists have proposed several Many elaborate body structures of modern-day animals serve to attract members of the opposite sex during mating.

Spinosaurus was a large carnivorous Cretaceous period (112-93.5 Mya) dinosaur characterized by its large thin back spikes.


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