Mosasaurus

Mosasaurus Temporal range: Late Cretaceous, 70–66 Ma PreЄ Є O S D C P T J K Pg N ↓
Munted skelet cast o M. hoffmanni, Maastricht Naitural History Museum
Scientific classification
Kinrick:	Animalia
Phylum:	Chordata
Order:	Squamata
Superfaimily:	†Mosasauroidea
Faimily:	†Mosasauridae
Tribe:	†Mosasaurini
Genus:	†Mosasaurus Conybeare, 1822
Teep species
†Mosasaurus hoffmanni Mantell, 1829
Species
†M. missouriensis (Harlan, 1834) †M. conodon Cope, 1881 †M. lemonnieri Dollo, 1889 †M. beaugei Arambourg, 1952
Synonyms
Batrachiosaurus Harlan, 1839 Capelliniosuchus Batrachotherium Harlan, 1839 Drepanodon Leidy, 1861 non Nesti, 1826 Lesticodus Leidy, 1861 Baseodon Leidy, 1865 Nectoportheus Cope, 1868 Pterycollosaurus Dollo, 1882

Mosasaurus ("lizard o the Meuse River") is a genus o mosasaurs, extinct carnivorous aquatic squamates. It existit in the Maastrichtian age o the late Cretaceous period, atween aboot 70 an 66 million years aby, in wastren Europe an North Americae.