Sivatherium
Encyclopedia
Sivatherium ' is an extinct genus of giraffid that ranged throughout Africa to Southern Asia (mostly India). The African species, S. maurusium, was once placed within the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 "Libytherium." It may have become extinct as recently as 8,000 years ago, as depictions that greatly resemble it are known from ancient rock paintings in the Sahara desert.

Description

Sivatherium resembled the modern okapi
Okapi
The okapi , Okapia johnstoni, is a giraffid artiodactyl mammal native to the Ituri Rainforest, located in the northeast of the Democratic Republic of the Congo, in Central Africa...

, but was far larger, and more heavily built, being about 2.2 meters (7 ft 4 in) tall at the shoulder
Shoulder
The human shoulder is made up of three bones: the clavicle , the scapula , and the humerus as well as associated muscles, ligaments and tendons. The articulations between the bones of the shoulder make up the shoulder joints. The major joint of the shoulder is the glenohumeral joint, which...

. It had a wide, antler
Antler
Antlers are the usually large, branching bony appendages on the heads of most deer species.-Etymology:Antler originally meant the lowest tine, the "brow tine"...

-like pair of ossicone
Ossicone
Ossicones are horn-like protuberances on the heads of giraffes, male okapis, and their extinct relatives, such as Sivatherium, and the climacoceratids, such as Climacoceras. Only giraffids have true ossicones...

s on its head, and a second pair of ossicones above its eye
Eye
Eyes are organs that detect light and convert it into electro-chemical impulses in neurons. The simplest photoreceptors in conscious vision connect light to movement...

s. Its shoulders were very powerful to support the neck
Neck
The neck is the part of the body, on many terrestrial or secondarily aquatic vertebrates, that distinguishes the head from the torso or trunk. The adjective signifying "of the neck" is cervical .-Boner anatomy: The cervical spine:The cervical portion of the human spine comprises seven boney...

 muscle
Muscle
Muscle is a contractile tissue of animals and is derived from the mesodermal layer of embryonic germ cells. Muscle cells contain contractile filaments that move past each other and change the size of the cell. They are classified as skeletal, cardiac, or smooth muscles. Their function is to...

s required to lift the heavy skull
Skull
The skull is a bony structure in the head of many animals that supports the structures of the face and forms a cavity for the brain.The skull is composed of two parts: the cranium and the mandible. A skull without a mandible is only a cranium. Animals that have skulls are called craniates...

.

Popular culture

Sivatherium is featured in the computer game Zoo Tycoon 2: Extinct Animals
Zoo Tycoon 2: Extinct Animals
Zoo Tycoon 2: Extinct Animals is a video game expansion pack for Zoo Tycoon 2 released October 17, 2007. The expansion focuses around extinct animals, mainly dinosaurs or ice age creatures, as well as more recently extinct creatures like the dodo, thylacine and quagga.This expansion pack follows...

, where it is shown to live in the savannah
Savannah
Savannah or savanna is a type of grassland.It can also mean:-People:* Savannah King, a Canadian freestyle swimmer* Savannah Outen, a singer who gained popularity on You Tube...

biome.

Further reading

  • Barry Cox, Colin Harrison, R.J.G. Savage, and Brian Gardiner. (1999): The Simon & Schuster Encyclopedia of Dinosaurs and Prehistoric Creatures: A Visual Who's Who of Prehistoric Life. Simon & Schuster.
  • David Norman. (2001): The Big Book Of Dinosaurs. pg. 228, Walcome books.
  • After the Dinosaurs: The Age of Mammals (Life of the Past) by Donald R. Prothero
  • The Evolution of Artiodactyls by Donald R. Prothero and Scott E. Foss
  • Vertebrate Palaeontology by Michael J. Benton and John Sibbick
  • Evolving Eden: An Illustrated Guide to the Evolution of the African Large Mammal Fauna by Alan Turner and Mauricio Anton
  • Classification of Mammals by Malcolm C. McKenna and Susan K. Bell \
  • The Book of Life: An Illustrated History of the Evolution of Life on Earth, Second Edition by Stephen Jay Gould
  • World Encyclopedia of Dinosaurs & Prehistoric Creatures: The Ultimate Visual Reference To 1000 Dinosaurs And Prehistoric Creatures Of Land, Air And Sea ... And Cretaceous Eras (World Encyclopedia) by Dougal Dixon
  • Eyewitness: Prehistoric Life by William Lindsay
  • Walker's Mammals of the World (2-Volume Set) (Walker's Mammals of the World) by Ronald M. Nowak
  • Horns, Tusks, and Flippers: The Evolution of Hoofed Mammals by Donald R. Prothero and Robert M. Schoch

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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