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Green River fish - what do we have here?


casadelshawn

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casadelshawn

I got this fish with some others in a trade deal the other day; I was supposed to get a mixed box of Diplomystus and Knightia, but this guy stood out for me. Doesn't look like either, and seems a bit too big for Amphiplaga. Maybe juvenile Mioplosus? Anybody? Is there another photo that can help? Thanks for looking!

20200512_150613.jpg

Edited by casadelshawn
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Fossildude19

I think it's an Amphiplaga brachypterus

Mioplosus labricoides  would have two dorsal fins. 

 

Here is my Amphiplaga

 

large.DSCN5714.JPG.9ae5fe4fc513bcedb16a98edb2df895d.JPG.d13e1f8c86a3058db841b4f33de880d4.jpg

 

And a comparison from Grande's 1984 Bulletin 63 "Paleontology of the Green River Formation, with a Review of the Fish Fauna". 

 

amphi3-vert.jpg

 

 

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