Promicroceras marstonense, Xipheroceras xiphus
Lower Jurassic, Lower Lias, Obtusum zone
Marston magna, Somerset, UK
This is a really nice specimen that has been fully prepared on one side. There are dozens of equisite Promicroceras and Xipheroceras.running through this piece. The bottom of this specimen has been cut so that it is free standing.
The matrix measures approximately 12.5cm's x 10cm's
