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The coelacanth has no real commercial value apart from being coveted by museums and private collectors
This is a brain endocast of Allosaurus
Diplodocus
Like many carnivores dinosaurs T-rex often broke or shed its teeth while feeding
Didelphodon, skull Posters The coelacanth has no realDidelphodon (meaning "two womb tooth") is a genus of stagodont metatherians (extinct carnivorous mammalian clade that includes all mammals more closely related to marsupials than to placentals) from the Late Cretaceous of North America. Although perhaps little larger than a Virginia opossum, with a maximum skull length of 12. 21 centimeters (4. 81 inches) and a weight of 5 kilograms (11 pounds), Didelphodon was a large mammal for Mesozoic standards.