Notioprogonia
Encyclopedia
Notioprogonia is a suborder of the extinct
mammal
ian order Notoungulata
and includes two families, Henricosborniidae
and Notostylopidae
. Notioprogonia includes the most primitive notoungulates and has argued that Notioprogonia is paraphyletic because it would include the ancestors of the remaining suborders.
Extinction
In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...
mammal
Mammal
Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young...
ian order Notoungulata
Notoungulata
Notoungulata is an extinct order of hoofed, sometimes heavy bodied mammalian ungulates which inhabited South America during the Paleocene to Pleistocene, living from approximately 57 Ma to 11,000 years ago.-Taxonomy:...
and includes two families, Henricosborniidae
Henricosborniidae
Henricosborniidae is an extinct family comprising four genera of notoungulate mammals known from the Paleocene and early Eocene of South America....
and Notostylopidae
Notostylopidae
Notostylopidae is an extinct family comprising five genera of notoungulate mammals known from the early Eocene to early Oligocene of South America...
. Notioprogonia includes the most primitive notoungulates and has argued that Notioprogonia is paraphyletic because it would include the ancestors of the remaining suborders.