Phylum - Cnidaria

Class - Scyphozoa (jellyfish)

A jellyfish impression? Strata:  Pawpaw Shale Period: Cretaceous  (97-98 mya) Location: Tarrant Co.,TX.  April 4, 2009.

This maybe a jellyfish impression OR an alternate interpretation is that this represents horizontal feeding probes of a burrowing worm or other.