The PEDIGREE of
Subclass of Therial Mammals

Born: abt. 150 M BC

Children: Infraclass [McKenna] of Placental Mammals ; Infraclass [Biochem] of Placental Mammals ; Kangaroo ; Koala ; Possum ; Bandicoot ; other Marsupials ; Paleaoryctoids (extinct)

____	____	___	___	___	___	___	___	___	___	___	___	___	___	___
													/	-- Domain of Opisthokonts +	====> [ 41]
												/	-- 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)
	/	-- Proto-Class of Warm-blooded Vertebrates (270 M BC)
/	-- Class of Mammals (200? M BC - ?)
/
- Subclass of Therial Mammals