Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

8 Cards in this Set

  • Front
  • Back

Order Perissodactyla

  • dominant group through Oligocene
  • later lost out to Artiodactyls
  • Includes brontotheres (Eocene - Miocene)
  • Includes chalicotheres (Eocene - Pleistocene)
  • limbs long and slender
  • the third digit encased in a hoof

Families in order Perrisodactyla

  • Equidae (horses, zebras and asses) originated in N. America
  • Tapiridae (tapirs) originated in N. America
  • Rhinocerotidae (rhinos) originated in Asia

Families in order Artiodactyla

  • Suidae (pigs, hogs) old world
  • Hippopotamidae
  • Camelidae (camels, llamas, and alpacas)

Order Artiodactlya

Suborder Ruminantia

  • highly cursorial
  • upper incisors absent
  • re-chew food as cud
  • 3-4 part stomach with bacterial colonies that can digest cellulose

Groups in Ruminantia

  • Chevrotains (primitive type of ruminant)
  • Musk deer
  • Giraffes
  • Cervidae (elk, deer, moose, and caribou)
  • Antilocapridae (antelope)
  • Bovidae


  • worldwide distribution except most of Africa and Australia
  • branching antlers on males never females
  • antlers formed of bone and usually shed, regrow annually
  • in some species males possess enlarged tusk-like canines
  • in other species the canines are either vestigial or absent

Bovidae (cattle family)

  • Impala
  • Harte beest
  • wildebeest
  • gazelle
  • dik-dik
  • klipspringer
  • bison
  • asian water buffalo
  • african water buffalo
  • oryx
  • eland

Family Bodvidae

subfamily caprinae (sheeps and goats)


  • tail up
  • horns male and female
  • divided upper lip
  • males: strong odor


  • tail down
  • horns male