Anal fin

Remnants of Dorsal fin

Credit Tim Jones

East Berlin Formation partial fish

By Fossildude19

Partial ray finned actinopterygian Semionotus sp.

Early Jurassic (Hettangian)

Newark Supergroup, Hartford Basin,

East Berlin Formation.

Connecticut.

Found on 8/31/2020

The whiteish imprint shows that this fossil has undergone de-phosphatization.

This mode of preservation is common in the East Berlin Formation.

Link to paper.

Tim Jones

From the album:

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