GEOLOGY 103: CLASSIFICATION OF MAMMALSGEOLOGY 103: CLASSIFICATION OF MAMMALS
Names in BOLD are terms used in class.
Class Mammalia - Late Triassic to Recent
Superorder Tricodonta - Late Triassic to Late Cretaceous
Superorder Multituberculata - Late Jurassic to E. Oligo.
Superorder Monotremata - Early Cretaceous to Recent
Superorder Marsupialia - Late Cret. to Recent
Superorder Placentals - Late Cret. to Recent
Order Edentata - Paleocene to Recent: African anteaters, South American anteaters, armadillos, and sloths; descended from insectivores.
Order Pholidota - African pangolins, scaly anteaters
Order Insectivora - Late Cretaceous to Recent: moles and shrews; ancestral to many mammal groups
Order Chiroptera - Early Eocene to Recent: bats, descended from insectivores
Order Primates - Late Cretaceous to Recent: prosimians, monkeys, apes, humans; ancestral group probably insectivores
Order Creodonta - Late Paleocene to Late Miocene: an ancient, and extinct group of carnivores; descended from insectivores
Order Carnivora - Early Eocene to Recent
Suborder Feloidea: cats, hyenas, mongooses
Suborder Canoidea: dogs, wolves, bears, weasels, raccoons
Suborder Pinnipedea: seals, sea lions, walruses
Order Condylarthra - Late Cret. - Early Oligo.: primitive herbivores and carnivores, ancestors of rodents, rabbits, ungulates, and cetaceans; descended from insectivores
Order Rodentia - Early Eocene to Recent: rats, mice, hamsters, squirrels, beavers; descended from condylarths
Order Lagomorpha - Late Eocene to Recent: rabbits, hares; descended from condylarths
Order Cetacea - Middle Eocene to Recent: whales, dolphins; descended from condylarths
Order Ungulata - Early Eocene to Recent: typically hoofed herbivores; descended from condylarths
Suborder Artiodactyla (even-toed): pigs, hippos, oreodons (Eocene-Miocene), camels, cattle, deer, sheep, goats, giraffes, bison
Suborder Perissodactyla (odd-toed): horses, brontotheres (Eocene-Oligocene), rhinos
Suborder Proboscidea: elephants, mammoths, mastodons
Suborder Sirenia: sea cows, manatees