Holotheria

Holotheria is a diverse group of mammals. It is defined as all descendants of the last common ancestor of Kuehneotherium and Theria (the group that includes marsupials and placental mammals).

Classification
According to McKenna/Bell (1997): According to Wang, Clemens, Hu & Li, 1998
 * Class Mammalia
 * Subclass Theriiformes
 * Infraclass Holotheria
 * Genus Chronoperates?
 * Superlegion Kuehneotheria
 * Genus Woutersia
 * Family Kuehneotheriidae
 * Superlegion Trechnotheria
 * Legion Symmetrodonta*
 * Genus Casamiquelia?
 * Genus Thereuodon?
 * Genus Atlasodon?
 * Genus Eurylambda?
 * Genus Peralestes?
 * Genus Shuotherium?
 * Order Amphidontoidea
 * Family Amphidontidae
 * Order Spalacotherioidea
 * Genus Gobiotheriodon?
 * Genus Maotherium
 * Genus Zhangeotherium
 * Family Tinodontidae
 * Family Barbereniidae?
 * Genus Guirogatherium?
 * Genus Barberenia?
 * Family Spalacotheriidae
 * Genus Microderson
 * Genus Shalbaatar
 * Genus Spalacotherium
 * Subfamily Spalacolestinae
 * Genus Symmetrolestes
 * Genus Akidolestes
 * Genus Heishanlestes
 * Genus Spalacotheroides
 * Genus Spalacotheridium
 * Genus Spalacolestes
 * Genus Symmetrodontoides
 * Legion Cladotheria
 * Genus Butlerigale?
 * Family Ausktribosphenidae?
 * Sublegion Dryolestoidea
 * Order Dryolestida
 * Order Amphitheriida
 * Sublegion Zatheria
 * Infralegion Peramura
 * Infralegion Tribosphenida
 * Genus Ambondro?
 * Genus Hypomylos?
 * Genus Montanalestes?
 * Genus Tribactonodon?
 * Supercohort Aegialodontia
 * Family Aegialodontidae
 * Genus Aegialodon
 * Genus Kielantherium
 * Supercohort Theria
 * Order Deltatheroida
 * Order Asiadelphia
 * Cohort Marsupialia
 * Magnorder Australidelphia
 * Superorder Microbiotheria
 * Superorder Eometatheria
 * Order Yalkaparidontia
 * Order Notoryctemorphia
 * Grandorder Dasyuromorphia
 * Grandorder Syndactyli
 * Order Peramelia
 * Order Diprotodontia
 * Magnorder Ameridelphia
 * Cohort Placentalia
 * Order Bibymalagasia
 * Magnorder Xenarthra
 * Magnorder Epitheria
 * Class Mammalia
 * Subclass Theriiformes
 * Infraclass Holotheria
 * Genus Chronoperates?
 * Superlegion Kuehneotheria
 * Superlegion Trechnotheria
 * Family Amphidontidae
 * Superfamily Spalacotheroidea
 * Legion Symmetrodonta
 * Genus Asfaltomylos?
 * Genus Atlasodon?
 * Family Ausktribosphenidae?
 * Genus Casamiquelia?
 * Genus Thereuodon?
 * Genus Eurylambda?
 * Genus Shuotherium
 * Legion Cladotheria
 * Genus Butlerigale?
 * Sublegion Dryolestoidea
 * Order Dryolestida
 * Order Amphitheriida
 * Genus Amphitherium
 * Sublegion Zatheria
 * Genus Arguitherium?
 * Genus Arguimus?
 * Genus Nanolestes?
 * Genus Vincelestes?
 * Infralegion Peramura
 * Infralegion Tribosphenida