Late Devonian

Foreknob Formation

Bedford County, PA, USA

Large 88mm disc on 200mm slab. First we have seen. Closely resembles other described paropsonomids like Discophyllum and Eldonia

Problematica.

This is a mystery that appears to be related to other mysteries – animals that have been proposed as cnidarians and relatives of early echinoderms.

This one is for collectors who like to keep it weird.