1.2" Oligocene Fossil Fish (Clupea sardinites) - Poland

This is a 1.2" wide fish of the species Clupea sardinites (Heckel, 1850) preserved on a slab of limestone. It comes out of the nannofossil biozone NP24 of the Jaslo Limestone near Sobniów, Poland.


Clupea sardinites is an extinct species of clupeiform ray-finned fish in the family Clupeidae. Fish in this family are mostly marine forage fish, although a few species are found in fresh water. Clupeids typically feed on small planktonic animals, and range from .8" to 30" in length.

You can read more about the ichthyofauna from the Jasło Limestone/Shales of Sobniów, here.

https://www.biodiversitylibrary.org/item/100174#page/1/mode/1up