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Yinostius

Extinct genus of fishes From Wikipedia, the free encyclopedia

Yinostius
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Yinostius is an extinct genus of heterosteid placoderm of the Middle Devonian known from remains discovered in China.

Quick Facts Scientific classification, Species ...
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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]

Dunkleosteoidea
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References

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