seismosaur

English Thesaurus

1. huge herbivorous dinosaur of the Cretaceous found in western North America (noun.animal)

hypernym	:	dinosaur,
definition	:	any of numerous extinct terrestrial reptiles of the Mesozoic era (noun.animal)

member meronym	:	genus seismosaurus, seismosaurus,
definition	:	genus of large herbivorous dinosaurs of Cretaceous found in western North America (noun.animal)