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A very large herbivorous sauropod dinosaur of the genus Argentinosaurus of the Cretaceous Period, having a long neck and tail and a small head.

[New Latin Argentinosaurus, genus name : Argentina, Argentina (where its remains were found) + Greek sauros, lizard.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Remains of the 130-foot-long Argentinosaurus huinculensis, another Titanosaur, were found in Argentina in 2014.
For example worlds biggest vegetarian dinosaurs fissile has been found in 1989 in Neuquen State of Argentina and been named as 'Argentinosaurus Huinculensis'.