Jump to content

Green River Fish, Knighta or Diplomystus?


Tigereagle12345

Recommended Posts

I recently finished preparing a fish fossil from the Green River formation that I purchased online. The site said that the fossil would be either a Knighta or a Diplomystus. From looking at images, the face seemed to look like a Diplomystus but the body seemed more like Knighta. Could anyone tell me which it is? 

 

Thanks in advance,

Tigereagle12345

 

Measurements are 11.5 cm by 2.5 cm

IMG_20220427_154522621.jpg

IMG_20220427_154515973.jpg

Link to comment
Share on other sites

Yup. Knightia eocaena.

 

A Diplomystus has a longer anal fin, thickened post cranial bones dorsally, thicker scales anterior to the dorsal fin,

a deeper v shape to the tail, and pectoral fins located higher up on the body.

 

B22A8730-3D79-43B2-8796-93B72A678ACD.jpeg.99c603e3f71ff5ed872ea9bf24c0aec5.jpeg

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...