Mosasaurus impar Leidy 1856 (mosasaur)

Reptilia - Squamata - Mosasauridae

Alternative combinations: Drepanodon impar, Macrosaurus impar

Full reference: J. Leidy. 1856. Notice of remains of extinct vertebrated animals discovered by Professor E. Emmons. Proceedings of the Academy of Natural Sciences of Philadelphia 8:255-257

Belongs to Mosasaurus according to E. D. Cope 1869

See also Hay 1902, Leidy 1856 and Miller 1967

Sister taxa: Mosasaurus beaugei, Mosasaurus caroliniensis, Mosasaurus conodon, Mosasaurus couperi, Mosasaurus dekayi, Mosasaurus gracilis, Mosasaurus grosjeani, Mosasaurus hobetsuensis, Mosasaurus hoffmanni, Mosasaurus iembeensis, Mosasaurus lemonnieri, Mosasaurus lonzeensis, Mosasaurus mangahouangae, Mosasaurus maximilliani, Mosasaurus minor, Mosasaurus missouriensis, Mosasaurus mokoroa, Macrosaurus validus, Nectoportheus validus

Ecology: aquatic carnivore

Distribution: found only at Cape Fear River Mileboard 56 (Cretaceous of North Carolina)

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