13084 - Finest Grade Diplomystus dentatus Fossil Fish Green River Fm WY Eocene Age Unidentified Moroccan Fishes A little over a month

A little over a month and a half ago

The Ancyloceratina were a diverse suborder of ammonite most closely related to the ammonites of order Lytoceratina

Austria (1)

lagoonal/restricted shallow subtidal (1)

a fossil collector who recognized its rare characteristics and brought it to the notice of a professional paleontologist

13084 - Finest Grade Diplomystus dentatus Fossil Fish Green River Fm WY Eocene Age Unidentified Moroccan Fishes A little over a monthScientific name: Diplomystus dentatus Location: Kemmerer, Wyoming Geological Formation: Green River Fm Age: Eocene ( 56 million years) Size: 12. 5cm long Plate: 18 x 12. 8 x 3. 8cm Ref: K5 Diplomystus dentatus morphology, including its upturned mouth, is prototypic of a surface feeding fish. The genus is herrings that likely fed on small surface dwelling fish as Knightia is evidenced by numerous fossils found with Knightia in the stomach or mouth.