File:Mamenchisaurus hochuanensis Field Museum.jpg

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Mamenchisaurus hochuanensis Young & Zhao, 1972 sauropod dinosaur from the Jurassic of China (public display, Field Museum of Natural History, Chicago, Illinois, USA) (cast based on on CCG V 20401, Chengdu College of Geology (Chengdu Institute of Geology/Chengdu University of Technology), Chengdu, Sichuan, China).

This sauropod dinosaur had a 22 meter long body (~72 feet) and a hyperelongated neck (>9 meters long - about 31 feet)

Stratigraphy: concretionary siliciclastic mudstones and sandstones of the Shangshaximiao Formation (Upper Shaximiao Formation), Zhongqing Group, Upper Jurassic

Locality: slopes of Gushushan, just northwest of the town of Taihezhen & northwest of the town of Hechuan, southwestern Chongqing Municipality, south-central China

Sauropod dinosaurs were the largest terrestrial animals ever. They all have the same basic body plan: large body with four walking legs, very long neck & tail, and a small head relative to body size. Sauropods were herbivores, and are often perceived as holding their heads & necks up high to reach vegetation normally out of reach to other organisms. Modern reconstructions of many sauropod species depict them with heads and necks held close to the horizontal, or at low angles above the horizontal.
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Source Mamenchisaurus hochuanensis sauropod dinosaur (Shangshaximiao Formation, Upper Jurassic; Gushushan, NW of Hechuan, southwestern Chongqing Municipality, south-central China) 1
Author James St. John

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This image was originally posted to Flickr by James St. John at https://www.flickr.com/photos/jsjgeology/15404507021/. It was reviewed on 6 October 2014 by Leoboudv and was confirmed to be licensed under the terms of the .

6 October 2014

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current18:33, 1 October 2014Thumbnail for version as of 18:33, 1 October 20141,918 × 551 (978 KB)Cropbot (talk | contribs)upload cropped version, operated by User:FunkMonk. Summary: cropped
18:25, 1 October 2014Thumbnail for version as of 18:25, 1 October 20141,929 × 595 (816 KB)FunkMonk (talk | contribs)Transferred from Flickr via Flickr2commons

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