titanosaur

ti·tan·o·saur  (t-tn-sôr, ttn-)

n.

Any of various plant-eating, amphibious sauropod dinosaurs of the genus Titanosaurus, common during the Cretaceous Period especially in South America.

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[New Latin Ttnosaurus, genus name : Greek Ttn, Titan + Greek sauros, lizard.]

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titanosaur  (t-tn-sôr, ttn-)

Any of various very large sauropod dinosaurs of the group Titanosauria of the Cretaceous Period. The titanosaurs were the last group of sauropods to evolve and probably include the largest sauropods ever (belonging to the genus Argentinosaurus). Some specimens were armored with bony plates.

Thesaurus

Noun

1.

titanosaur - amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere titanosaurian dinosaur - any of numerous extinct terrestrial reptiles of the Mesozoic era genus Titanosaurus, Titanosaurus - genus of herbivorous dinosaurs flourishing during the Cretaceous in South America genus Argentinosaurus - enormous dinosaur of the middle Cretaceous found in Argentina