Very nice "Core" of Upper Ordovician brachiopod -Porambonites schmidti

Description

This is an interesting offer. Here is the  nice example of the core of
Porambonitid  brachiopods
-
Porambonites schmidti Noetling, 1883
The specimen was found at  Kukruse stage,  Upper
Ordovician (Haljala) deposits of
outcrop near Cheremykino village,St Petersburg region, Russia.
Reconstruction 0%. Shipping worldwide .