The stratigraphy of the region and the aquatic fauna that was found therein indicates that it was an inland fluvial environment, entirely freshwater in nature with a humid tropical climate. Artistic restoration of Sarcosuchus imperator, Sarcosuchus was a large relative of crocodiles, with fully grown individuals estimated to have reached up anywhere between 9 to 9.5 m (29 – 31 ft) in total length and 3.5 to 4.5 tonnes in maximum weight. The dinosaur fauna is of a very fragmentary nature and identification does not go beyond indeterminate theropod and iguanodontid remains. Sarcosuchus as it appeared in "When Crocs Ate Dinosaurs"; confronting a Suchomimus on a contest for territorry. Deinosuchus had a larger head than a Sarcosuchus – a relative of present-day crocodiles living in the Early Cretaceous. Not only was Sarcosuchus the biggest prehistoric crocodile that ever lived, but it was the biggest reptilian meat-eater of the Mesozoic Era, outweighing even Spinosaurus and Tyrannosaurus Rex. It was almost twice as long as the modern saltwater crocodile and weighed up to 8 tonnes.
Shadowgate from Novara, ITALY / Museum of Natural History / CC BY 2.0. Sarcosuchus was only one of a wide variety of plus-sized reptiles that took advantage of this region's natural abundance during the later Mesozoic Era, basking in its year-round heat and humidity; there were also plenty of dinosaurs to keep this croc company.
 hypothesized that S. imperator had a generalized diet similar to that of the Nile crocodile, which would have included large terrestrial prey such as the abundant dinosaurs that lived in the same region..
A Sarcosuchus as it appeared in the book "Super Croc", depicted as battling with a Suchomimus. The eyes of Sarcosuchus didn't move left and right, like those of a cow or panther, but rather up and down, indicating that the SuperCroc spent much of its time submerged partway below the surface of freshwater rivers (like modern crocodiles), scanning the banks for interlopers and occasionally breaching the surface to snap at encroaching dinosaurs and drag them into the water. You'd think a crocodile as big and heavy as Sarcosuchus would have feasted exclusively on the plus-sized dinosaurs of its habitat—say, half-ton hadrosaurs that wandered too close to the river for a drink. It had somewhat telescoped eyes and a long snout comprising 75% of the length of the skull. Both had also a similar weight – … However, unlike the ghara, which is only found in male gharial, the bulla is present in all Sarcosuchus skulls that have been found so far, suggesting that it was not a sexually dimorphic trait. It made an appearance in the 2018 television miniseries Deadly Dinosaurs With Steve Backshall where it's bite force was estimated at 8 tonnes and was shown to be able to bite through bone and even steel. Sarcosuchus stands out among pholidosaurids for being considered a generalist predator, different from most known members of the clade which were specialized piscivores. Deinosuchus was a large crocodyliform that lived from 82 million years ago up until the end-Cretaceous extinction event began.
LadyofHats / Muséum national d'Histoire naturelle, Paris, Public Domain. Its main competitors as a large predator may have included sharks, marine reptiles like Mosasaurs, theropods like the Tyrannosaurs and other Deinosuchus.Its main prey were sea turtles and dinosaurs. The upper jaw was also noticeably longer than the lower one leaving a gap between them when the jaws were shut, cre…
A similar growth strategy has been suggested for the larger crocodylian Deinosuchus, based on similar criteria.
Dr. Sereno took thin sections from trunk osteoderms of an estimated subadult individual (~80% of estimated maximum adult size). What's more, we now have evidence that Spinosaurus was a semi-aquatic, or even a fully aquatic, dinosaur, meaning that it was an accomplished swimmer as well (and may have hunted prey in crocodile-like fashion). During the middle Cretaceous period, about 100 million years ago, northern Africa was home to two of the biggest reptiles ever to walk the earth. Undoubtedly the element of surprise was its great asset. This shows that Sarcosuchus was able to reach a maximum body size not only greater than previously estimated but also greater than that of the Miocene Rhamphosuchus, only the Late Cretaceous Deinosuchus and the Miocene Purussaurus may have achieved a comparable maximum body size.
Within this group it is most closely related to the North American genus Terminonaris. Reconstructed S. imperator skeleton from behind, terrestrial locomotion posture, Sarcosuchus is commonly classified as part of the clade Pholidosauridae. The first remains were discovered during several expeditions led by the French paleontologist Albert-Félix de Lapparent, spanning from 1966 to 1970 in the Sahara Desert.
The land was more natural habitat for a Deinosuchus, water being a better environment for the Sarcosuchus. The remains of S. imperator were found in a region of the Ténéré Desert named Gadoufaoua, more specifically in the Elrhaz Formation of the Tegama Group, dating from the late Aptian to the early Albian of the Early Cretaceous, approximately 112 million years ago. Two regression equations were used to estimate the size of S. imperator, they were created based on measurements gathered from 17 captive gharial individuals from northern India and from 28 wild saltwater crocodile individuals from northern Australia, both datasets supplemented by available measurements of individuals over 1.5 metres (4.9 ft) in length found in the literature.
The dinosaur fauna was represented by the iguanodontian Lurdusaurus, which was the most common dinosaur in the region, and its relative Ouranosaurus; there were also two sauropods, Nigersaurus and a currently unnamed sauropod while the theropod fauna included the spinosaurid Suchomimus, the carcharodontosaurid Eocarcharia and the abelisaurid Kryptops.
(2001) based on modern crocodilians. The dinosaur fauna is of a very fragmentary nature and identification does not go beyond indeterminate theropod and iguanodontid remains. It took about a year to prepare the Sarcosuchus remains.
Sarcosuchus was by far the biggest crocodile that ever lived, making modern crocs, caimans, and gators look like insignificant geckos by comparison. During the middle Cretaceous period, about 100 million years ago, northern Africa was home to two of the biggest reptiles ever to walk the earth.
 Most members of Pholidosauridae had long, slender snouts and they all were aquatic, inhabiting several different environments, some forms are interpreted as marine, capable of tolerating saltwater while others, like Sarcosuchus, were freshwater forms, the most primitive members of the clade, however, were found in coastal settings, zones of mixing of freshwater and marine waters. A Deinosuchus had a snout most similar to today’s alligator: it had strong teeth capable of crushing thick bones.
In young individuals the shape of the snout resembled that of the living gharial but in fully grown individuals it became considerably broader..
I thought Sarcosuchus Excubitor was the largest crocodilian in the Island's Swamps, that is until I encountered Deinosuchus Sanguineus.Massive and bulky, Deinosuchus is quite slow, but should not be underestimated when pursuing possible prey. hartti.
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