< Dichotomous Key 
  
      kingdom phylum class order family group species
| Marsupialia | |
|---|---|
| Kingdom | Animalia | 
| Phylum | Chordata | 
| Subphylum | Vertebrata | 
| Class | Mammalia | 
| Subclass | Marsupialia | 
| Information related to Marsupialia Wikipedia • Wikispecies •Wikicommons | |
| Parent key: Mammalia | 
| Subclasses | 
|---|
| Marsupialia - Monotremata - Placentalia | 
| Key: Mammalia | 
| Orders | 
| Afrosoricida - Artiodactyla - Carnivora - Cetacea - Chiroptera - Dermoptera - Insectivora - Lagomorpha - Macroselidae - Marsupialia - Monotremata - Perissodactyla - Pholidota - Primates - Proboscidea - Rodentia - Scandentia - Sirenia - Xenarthra | 
1
- Range
- Australia - #2: Australidelphia
- Western Hemisphere - #3: Ameridelphia
 
2: Australidelphia
- Feeding
- Herbivore - Diprotodontia
- Carnivore or omnivore - #5
 
3: Ameridelphia
Could be Didelphimorphia or Paucituberculata
4
- Presence of external ears
- Present - Dasyuromorphia
- Not present - Notoryctemorphia
 
5
- Second and third toes
- Fused - Peramelemorphia
- Not fused - #4
 
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