Late Cretaceous Cenomanian
Echkar Formation Niger
The ecology must have been wet and the fauna has affinities with other Gondwanan locals in South America and North Africa. The large carnivores were carchardontosaurs. The medium carnivores abelisaurs and a large semiterrestrial crocodilian. There is a very diverse range of crocodyliformes filling medum to small carnivore niches. The large and medium herbivores are rebbachisaurids and titanosaurs. Ornithscians are medium to small herbivores.
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Kaprosuchus where estimated to have been around 20 feet in length. It possesses three sets of tusk-like teeth that project above and below the skull, one of which in the lower jaw fits into notches in upper jaw. Primarily if not exclusively terrestrial predator.
Rugops (meaning
"wrinkle face"), an abelisaur estimated to have been about 6 metres
20 ft long based on comparisons with its relatives. The skull bore
armour or scales, and two rows of seven holes each.
Carcharodontosaurus among the largest known predatory dinosaurs at 39-43.5 ft long. it filled the role of its relative Allosaurus in the Late Jurassic.
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