Deltadromeus

"Delta runner"
Length:
8 m (26 ft)
Weight:
2 tons
Time:
100,000,000-
95,000,000 B.C.
Location:
Matruh, Egypt; Ksar-es-Souk, Morocco
Species:
Deltadromeus agilis
Deltadromeus was a fairly large yet unusually slender ceratosaur whose placement among this diverse family is difficult to ascertain since a skull of the animal has yet to be unearthed. Despite this, there are skeletal mounts of the animal in a few museums (in which the "skull" is an artificial cast) and supposed Deltadromeus teeth are sold in African rock shops.

Deltadromeus was a contemporary of two other, much larger carnivores, Carcharodontosaurus and Spinosaurus. While the three very likely competed for meat, their different morphologies might have relegated them to different ecological niches: The nimbleĀ  Deltadromeus might have served as the mid-Cretaceous equivalent of a cheetah, running down small to medium-sized prey. The bulkier, Carcharodontosaurus, meanwhile, may have been like a lion, bringing down larger prey alone or in packs, while the huge, fish-eating Spinosaurus would have been like a prehistoric grizzly bear, with a diet biased towards fish yet large enough to bring down large game or at least steal it from smaller predators.
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