sentence: Present thought is that their closest living relatives are the monitor lizards.
sentences_before: Many other species of mosasaur have since been found, for example, 'Mosasaurus maximus' found at Onion Creek, Texas. All have the same general body style and pattern of life, though some, like 'Prognathodon', had crushing teeth for dealing with shellfish.
concept_name: present thought
headings: Mosasaur Other species
categories: Fossils Lizards Marine reptiles Cretaceous