亞目 yàmù suborder Origin Definitions Defs Strokes Stroke Words Sentences Sents 兽脚亚目 shòujiǎoyàmù Theropoda Theropoda; a suborder of bipedal saurischian dinosaurs that includes the ancestors of birds and all the large carnivorous dinosaurs鸟脚亚目 niǎojiǎoyàmù Ornithopoda a suborder of herbivorous dinosaurs with bird-like feet