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Crazyhen

Guizhou Fish (Asialepidotus shingyiensis?)

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Crazyhen

Are both fish on this plate Asialepidotus shingyiensis?  The fossil is from Xingyi of Guizhou, China.

IMG_2278.JPG

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Crazyhen

IMG_2279.JPG

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caldigger

I don't know swat about fish identification, but it looks like the smaller one has a different scale type/configuration than the larger.

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Tidgy's Dad

I agree, the scales are different relative shapes and sizes (bigger and more elongated on the smaller one) and the configuration is different too. 

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Fossildude19

IMG_2278.thumb.JPG.72e44b3364032fa7781fa2015437145c.JPG    IMG_2279.thumb.JPG.244c0812ba806d505189429749d70644.JPG

 

 

@oilshale

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oilshale

Without seeing the head bones of the fish, I don't trust myself with a determination.  Typical for Asialepidotus are large scales next to the anal fin - I don't see them here. There is a recent redescription by GUANG-HUI XU and XIN-YING MA:

"Redescription and phylogenetic reassessment of Asialepidotus shingyiensis (Holostei, Halecomorphi) from the Middle Triassic Ladinian of China"

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