Question

When was the mosasaurs born

Answer 1

Approximately 85 million years ago.

Answer 2

Answer:

Mosasaurus (/ˌmoʊzəˈsɔːrəs/; "lizard of the Meuse River") is the type genus (defining example) of the mosasaurs, an extinct group of aquatic squamate reptiles. It lived from about 82 to 66 million years ago during the Campanian and Maastrichtian stages of the Late Cretaceous.

Genus: †Mosasaurus; Conybeare, 1822

Genus: †Mosasaurus; Conybeare, 1822Family: †Mosasauridae

Genus: †Mosasaurus; Conybeare, 1822Family: †MosasauridaeOrder: Squamata

Genus: †Mosasaurus; Conybeare, 1822Family: †MosasauridaeOrder: SquamataKingdom: Animalia