African Dinosaurs

AfrovenatorImage result for afrovenator


The generic name comes from the Latin afer, “African”, and venator, “hunter”. The remains of Afrovenator were discovered in 1993 in the Tiourarén Formation of the department of Agadez in Niger. Afrovenator is known from a single relatively complete skeleton, holotype UC OBA 1, featuring most of the skull minus its top (likewise the mandible, or lower jaws, are lacking apart from the prearticular bone), parts of the spinal column, partial forelimbs, a partial pelvis, and most of the hind limbs. This skeleton is housed at the University of Chicago. Judging from the one skeleton known, this dinosaur was about eight metres long, from snout to tail tip, and had a weight of about one tonne. Sereno stressed that the general build was gracile and that the forelimbs and the lower leg were relatively long: the humerus has length of forty centimetres and the tibia and fourth metatarsal measure 687 and 321 millimetres respectively, as compared to a thighbone length of seventy-six centimetres.Image result for Afrovenator


Image result for Elaphrosaurus

Elaphrosaurus is a genus of ceratosauriantheropod dinosaur that lived approximately 154 to 150 million years ago during the later part of the Jurassic Period in what is now Tanzania in Africa. Elaphrosaurus was a medium-sized but lightly built member of the group that could grow up to 6.2 m (20 ft) long. Morphologically, this dinosaur is significant in two ways. First, it has a relatively long trunk but is very shallow-chested for a theropod of its size. Second, it has very short hindlimbs when compared to its relatively long trunk. Phylogenetic analyses indicates that this genus is likely a ceratosaur, and earlier suggestions that it is a late surviving coelophysoid have been examined but generally dismissed. Elaphrosaurus is currently believed to be a very close relative of Limusaurus, an unusual beaked ceratosaurian which may have been herbivorous or omnivorous.Image result for Elaphrosaurus


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Also know as the last dinosaur to live in Africa Chenanisaurus barbaricus is a species of predatory abelisaurid theropod dinosaur from the upper Maastrichtian phosphates of the Ouled Abdoun Basin in Morocco, North Africa. It is known from a holotype consisting of a partial dentary and four teeth and a few isolated teeth attributed to it. Chenanisaurus is quite a large abelisaurid, measuring 7–8 m (23–26 ft), based on measurements of the holotype dentary, surpassed or rivalled in size only by such known abelisaurids as Carnotaurus and Pycnonemosaurus. The most striking feature of the mandible is the extreme height, especially when compared with the relatively short teeth. This seems to indicate that the jaw is also very short, with a build even more extreme than seen in the related genus Carnotaurus. The jaw flexes forwardly downwards to terminate in a deep blunt point. At the back there is a deep high furrow above it with a row of foramina that open towards the top in a series of vertical grooves.  Image result for Chenanisaurus size

SuchomimusRelated image


Suchomimus (meaning “crocodile mimic”) is a genus of large theropod dinosaur with a crocodile-like skull that lived between 125–112 million years ago, during the Aptian to early Albian stage of the Cretaceous period in Niger, Africa. It belongs in the Spinosauridae family and the only species named in the genus is Suchomimus tenerensis. Like other spinosaurids, it likely had a diet of mostly fish. The length of the type specimen of Suchomimus, a subadult, was initially estimated at 10.3–11 m (34–36 ft). Its weight was estimated at between 2.7 and 5.2 tonnes (2.7 and 5.1 long tons; 3.0 and 5.7 short tons). The describers established some unique derived traits (autapomorphies) of Suchomimus. The praemaxilla has an upward branch excluding the maxilla from the bony nostril. The neural spines on the rear dorsal, sacral and front tail vertebrae are expanded in side view. The upper corners of the humerus are robust.

Image result for suchomimus size comparison


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