(n.) A genus of extinct marine reptiles allied to the lizards, but having the body much elongated, and the limbs in the form of paddles. The first known species, nearly fifty feet in length, was discovered in Cretaceous beds near Maestricht, in the Netherlands.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). mosasaurus. Retrieved September 26, 2026, from http://smartdefine.org/mosasaurus/definitions/2034661 |
| Chicago | Webster's. 2011. "mosasaurus" http://smartdefine.org/mosasaurus/definitions/2034661 (accessed September 26, 2026). |
| Harvard | Webster's 2011, mosasaurus, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/mosasaurus/definitions/2034661>. |
| MLA | Webster's. "mosasaurus" 27 May 2011. Web. 26 September 2026. <http://smartdefine.org/mosasaurus/definitions/2034661> |