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・ Geometric Technologies, Inc.
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Geometric tortoise
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Geometric tortoise : ウィキペディア英語版
Geometric tortoise

The geometric tortoise is an endangered species of tortoise and one of three members of the genus, ''Psammobates''. It is found in a very small section in the South-Western Cape of South Africa.
==Identification==
It has a very strong, black and yellow patterned carapace, used for defense against predators. The patterns are arranged in ray-like markings and help the tortoise blend in with its environment. From a birds eye view the shell has geometrical symbols on it thus giving it its name. This tortoise is very small, and a full grown tortoise can only reach about 5 to 6 inches in diameter. The tortoise is one of the rarest species of tortoise of earth, only about 2,000 to 3,000 are alive today.〔http://eds.b.ebscohost.com/eds/detail/detail?sid=981e95e4-6d61-47dc-b7bd-0aa0cd76dfa9%40sessionmgr110&vid=0&hid=117&bdata=JnNpdGU9ZWRzLWxpdmU%3d#db=aph&AN=9609221096〕 However because of its cryptic coloration and lack of activity, it makes it hard to create an accurate estimate of the population size. 〔http://eds.a.ebscohost.com/eds/detail/detail?sid=45932112-a50b-4f23-987c-f270aa0978d3%40sessionmgr4003&vid=1&hid=4203&bdata=JnNpdGU9ZWRzLWxpdmU%3d#db=aph&AN=9609221096〕

While it shares much of its superficial outer appearance with its relatives in the genus ''Psammobates'', it can be distinguished by the distinctively brightly coloured yellow stars of its shell scutes, the small nuchal and single axillary, the lack of buttock tubercles, and the only slightly upturned rear margins of the shell.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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