Yinostius
(Redirected from Yinostius major)
| Yinostius Temporal range: Early Devonian: Emsian,
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| Life reconstruction of Yinostius major | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Suborder: | †Brachythoraci |
| Family: | †Heterosteidae |
| Genus: | †Yinostius J. Wang & N. Wang, 1984 |
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Yinostius is an extinct genus of heterosteid placoderm of the Middle Devonian known from remains discovered in China.
Description
This genus is known from Emsian-aged specimens from the Wuding region of Yunnan, China.[1] In overall anatomy, it is extremely similar to the European genera, though it differs from them in its slightly smaller size, the shape of its nuchal plate, and in various body proportions.
Phylogeny
Yinostius is a member of the family Heterosteidae, which belongs to the superfamily Dunkleosteoidea. It is a relative of the giant Dunkleosteus, as shown in the cladogram below:[2]
References
- ^ Wang Junqing & Wang Nianzhong (1984). "New Material of Arthrodira from the Wuding Region, Yunnan" (PDF). Institute of Vertebrate Palaeontology and Palaeoanthropology, Academia Sinica, Beijing. Retrieved 2013-08-31.
- ^ Zhu, You-An; Zhu, Min; Wang, Jun-Qing (1 April 2016). "Redescription of Yinostius major (Arthrodira: Heterostiidae) from the Lower Devonian of China, and the interrelationships of Brachythoraci". Zoological Journal of the Linnean Society. 176 (4): 806–834. doi:10.1111/zoj.12356. ISSN 0024-4082.
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