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Seismosaurus - Wiki latin dict size=52   common dict size=512
이미지 정보 Original File Name: Sejsmozaur-Seismosaurus.png Resolution: 451x457 File Size: 39408 Bytes Upload Time: 2006:12:22 14:46:32
올린이 이름 (메일주소): Unknown
사진 제목 Seismosaurus - Wiki

Seismosaurus - Wiki; Image ONLY
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Seismosaurus - Wiki

Seismosaurus
From Wikipedia, the free encyclopedia

[Photo] A 3D rendering of a seismosaur. Seismosaurus author User:Mathiasrex, http://commons.wikimedia.org/wiki/User:Mathiasrex Maciej Szczepa??czyk

Seismosaurus, meaning "Earth-shaking lizard," was one of the giant herbivorous dinosaurs of the late Jurassic period. It lived from the Kimmeridgian to the Tithonian age, approximately 154 to 144 million years ago. Its size is highly disputed, with estimates ranging from 37-45m(123.3-150feet) long. Based in Gillete's calculations, it may have been 39m long. Although some weight estimates range as high as 113 tonnes (125 US short tons), it may have weighed about 22 to 27 tonnes (25 to 30 US short tons).

Seismosaurus is known from a partial skeleton discovered in New Mexico in 1979 consisting of vertebrae, pelvis, ribs, and gastroliths. The species was formally recognised in 1991.[1]

Seismosaurus was a diplodocid closely related to, or perhaps even the same as, Diplodocus [2]. Like other diplodocids, it had nostrils near the tip of its snout (though the nasal openings in the skull were on the top of its head)[3] and its front legs were slightly shorter than its hind legs.

Classification
A Presentation [2] at the annual conference of the Geological Society of America in 2004 has made a case for Seismosaurus to be reassigned as a species of Diplodocus, namely D. hallorum. They argue that many of the distinctive features of Seismosaurus are either pathological or as a result of misplacement of the vertebrae.

http://en.wikipedia.org/wiki/Seismosaurus
The text in this page is based on the copyrighted Wikipedia article shown in above URL. It is used under the GNU Free Documentation License. You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.

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