Cunfruntu tra virsioni di "Mammalia"

{{Taxobox

| color = pink

| image = Lions snoozing in the sun.jpg

| image_width = 300px

{{Taxobox_norank_entry | taxon = [[Synapsida]]}}

| unranked_classis = [[Mammaliaformes]]

| classis = '''Mammalia'''

| classis_authority = [[Carolus Linnaeus|Linnaeus]], 1758

| subdivision =

**[[Plagiaulacida]]

**[[Cimolodonta]]

**[[Afrosoricida]]

**[[Artiodactyla]]

**[[Cetacea]]

**[[Chiroptera]]

**[[Dermoptera]]

**[[Hyracoidea]]

**[[Insectivora]]

**[[Lagomorpha]]

**[[Macroscelidea]]

**[[Perissodactyla]]

**[[Pholidota]]

**[[Primates]]

**[[Proboscidea]]

**[[Scandentia]]

**[[Sirenia]]

**[[Tubulidentata]]

**[[Xenarthra]]

**[[Dasyuromorphia]]

**[[Didelphimorphia]]

**[[Paucituberculata]]

**[[Peramelemorphia]]

**[[Monotremata]]

}}