Tnm 02067的封面
书籍主题:

Tnm 02067

Cretaceous, Argentodites, Ferugliotherium, Bharattherium

Secut Press (2012-01-01 )

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ISBN-13:

978-613-9-25854-3

ISBN-10:
6139258545
EAN:
9786139258543
书籍语言:
英文
作品简介:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. TNM 02067 (Tanzanian National Museums specimen 02067) is a fragmentary fossil (lower jaw) from the Cretaceous (between 146 and 66 million years ago) of Tanzania. The short, deep bone is about 19.5 mm (0.77 in) long, but the back part is broken off. It contains a large, forward-inclined incisor with a root that extends deep into the jaw, separated by a diastema (gap) from five cheekteeth. Very little remains of the teeth, but enough to determine that they are hypsodont (high-crowned). The third cheektooth is the largest and the roots of the teeth are curved. First described in 2003, TNM 02067 has been tentatively identified as a sudamericid—an extinct family of high-crowned mammals otherwise known from South America, Madagascar, India, and Antarctica. If truly a gondwanathere, it would be the only African member of the group and may be the oldest. The describers could not exclude other possibilities, such as that the jaw represents some mammalian group known only from younger, Cenozoic times (less than 66 million years ago).
出版社 :
Secut Press
网址:
http://www.betascript-publishing.com
出版发行由:
Jacob Aristotle
页码 :
76
发表日期:
2012-01-01
现货:
备有现货
类别:
古生物学
价格:
34.00 €
关键词:
Cretaceous, Argentodites, Ferugliotherium, Bharattherium Tnm 02067

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