suborder prosauropoda

English Thesaurus

1. the earliest known dinosaurs (noun.animal)

hypernym	:	animal order,
definition	:	the order of animals (noun.animal)

member meronym	:	sauropodomorpha, suborder sauropodomorpha,
definition	:	gigantic herbivorous dinosaurs having huge bodies with long necks and small heads: Prosauropoda and Sauropoda (apatosaurus, diplodocus and titanosaurs) (noun.animal)