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Dichotomous Key/Perissodactyla
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Perissodactyla Animalia Chordata Vertebrata Mammalia Placentalia Perissodactyla
Mammalia Mammalia Subclasses ../Marsupialia/ - ../Monotremata/ - ../Placentalia/ Mammalia Orders ../Afrosoricida/ - ../Artiodactyla/ - ../Carnivora/ - ../Cetacea/ - ../Chiroptera/ - ../Dermoptera/ - ../Insectivora/ - ../Lagomorpha/ - ../Macroselidae/ - ../Marsupialia/ - ../Monotremata/ - ../Perissodactyla/ - ../Pholidota/ - ../Primates/ - ../Proboscidea/ - ../Rodentia/ - ../Scandentia/ - ../Sirenia/ - ../Xenarthra/
1
Number of toes
One - #2: Equidae
More - #3
2: Equidae
3
Horn
Present - #4: Rhinocerotidae
Not present - #5: Tapiridae
#4: Rhinocerotidae
Number of horns
One - Rhinoceros sondaicus
Two - Either Diceros bicornis or Dicerorhinus sumatrensis
#5: Tapiridae