The PEDIGREE of
Class of Mammals

Born: abt. 200 M BC

Children: Subclass of Therial Mammals ; Duck-billed platypus ; Spiny anteater ; Multituberculata (extinct) ; Triconodonts (extinct)

____	____	___	___	___	___	___	___	___	___	___	___	___	___	___
													/	-- Infraempire of Plants and Animals +	====> [ 40]
												/	-- Domain of Opisthokonts (Fungi and Animals)
											/	-- Kingdom of Animals
										/	-- Subkingdom of Metazoa (Multicellular Animals)
									/	-- Super-branch Eumetazoa
								/	-- Branch Bilateria
							/	-- Grade (Infrakingdom) of Coelomates
						/	-- Superphylum of Deuterostomes
					/	-- Phylum Chordata (540 M BC - ?)
				/	-- Subphylum Vertebrata (510 M BC - ?)
			/	-- Proto-Class of Jawed Fish (450 M BC)
		/	-- Proto-Class Tetrapoda (Legged Fish) (370 M BC)
	/	-- Proto-Class Amniota (Terrestrial Vertebrates) (330 M BC)
/	-- Proto-Class of Warm-blooded Vertebrates (270 M BC)
/
- Class of Mammals