Today's Post is Deltadromeus...
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Deltadromeus the River Delta Runner
Deltadromeus was a medium to large Theropod that lived in a river delta area of what is now North Africa. It was at least 26 feet long. That's almost 8 meters long. There is evidence from a lone femur that showed that perhaps Deltadromeus was possibly 40 feet long. IF the dinosaur was 26 feet long then it would have weighed somewhere around 1050 lbs. or 476 kg.
The unique feature of this animal is that it had rather long legs. It is thought to have been a fast runner. It was found in rock strata that included Charcaordontosuarus and Spinosaurus. Both of them were much larger Theropods so perhaps Deltadromeus evolved speed for protection. It would have been able to easily outrun those other huge Theropods. Even if Deltadromeus WAS 40 feet long it was more lightly built than other Theropods in the region so it would have been able to run rather than fight. Of course, those long legs would have helped it catch prey species like the herbivore Ouranosaurus.
The closest Pterosaur in the top drawing is Ornithochierus. The next two are types of Rhaphorichoids. By the way, by the late Cretaceous Period, the Pterosaurs had all lost the long tail.
The name, Deltadromeus, actually means "Delta Runner."
Below are some drawings of the other mid-Cretaceous North African dinosaurs that were named above. They all lived around Deltadromeus. The new drawing, of Deltadromeus, will be at the bottom of the list when you click on "Paleontology." The older drawings... down below... are found further up the list of titles.
Spinosaurus aegypticus after a Sawfish
Carcharodontosaurus
Ouranosaurus
Ouranosaurs and Cronopio
Spinosaurus close up
Spinosaurus hunting with Young
(New evidence indicates that Spinosaurus was a quadruped.)
Spinosaurus hunting with Young
(New evidence indicates that Spinosaurus was a quadruped.)
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