ਓਰਨੀਥਿਸਕੀਆ: ਰੀਵਿਜ਼ਨਾਂ ਵਿਚ ਫ਼ਰਕ

ਓਰਨੀਥਿਸਕੀਆ; Temporal range: ; Late Triassic–Late Cretaceous,; 228–65 Ma PreЄ Є O S D C P T J K Pg N
	Edmontosaurus pelvis (showing ornithischian structure – left side) Oxford University Museum of Natural History
Scientific classification
Kingdom:	ਜਾਨਵਰ
Phylum:	ਚੌਰਡੇਟਾ (Chordata)
Class:	ਭੁਜੰਗ (Reptilia)
Superorder:	ਡਾਈਨੋਸੌਰ (Dinosauria)
Order:	† ਓਰਨੀਥਿਸਕੀਆ (Ornithischia); Seeley, 1888
Families & Suborders
	†Cerapoda; †Fabrosauridae; †Heterodontosauridae; †Lesothosauridae; †Pisanosauridae; †Thyreophora;