noun
Ornithischia
Scientific term for an order of herbivorous dinosaurs characterized by a bird-like pelvic structure. Used in paleontology and related contexts.
鳥盤類にはトリケラトプスやステゴサウルスが含まれる。
Ornithischia includes Triceratops and Stegosaurus.
Saurischia, the other major dinosaur order, which includes theropods and sauropodomorphs. Distinguished from Ornithischia primarily by pelvic structure.
Compound of 鳥 (bird), 盤 (pelvis), and 類 (order/group), reflecting the bird-like pelvic structure of these dinosaurs.