Equijubus
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Equijubus 马鬃龙 Temporal range: Early Cretaceous, 125 Ma |
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| Teeth of the holotype | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Sauropsida |
| Superorder: | Dinosauria |
| Order: | Ornithischia |
| Suborder: | Cerapoda |
| Superfamily: | Hadrosauroidea |
| Genus: |
Equijubus You et al., 2003 |
| Species | |
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Equijubus (Chinese: 马鬃龙; pinyin: Mǎzōng lóng; Mǎzōng meaning "horse mane" after the area Mǎzōng Mountain 马鬃山 in which it was found), is a genus of herbivorous hadrosauroid dinosaur from the Early Cretaceous (Aptian stage) of northwestern China.
The type (and only known) specimen was found in the summer of 2000 by a Chinese-American expedition in the Mazong (= "horse mane") Shan area of China's Gansu Province. In 2002 You Hialu in a dissertation named and described the species Equijubus normani. The generic name is derived from Latin equus, "horse", and juba, "mane". The specific epithet "normani" is in honour of British palaeontologist David B. Norman. However, such a nomen ex dissertatione does not constitute a valid name.
The type species Equijubus normani was formally named in an article by You, Luo Zhexi, Neil Shubin, Lawrence Witmer, Tang Zhilu and Tang Feng in 2003.
The type specimen or holotype, IVPP V12534, consists of a complete skull with articulated (attached) lower jaws, plus associated incomplete postcrania: nine cervical (neck), sixteen dorsal (back), and six sacral (pelvic) vertebrae. It was found in fluvio-lacustrine sediments of the Middle Grey Unit of the Xinminpu Group, Gonpoquan Basin, Mazong Shan, Gansu Province, China.
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