3.1″ Polished Ammonite (Promicroceras) Slab – “Marston Magna Marble”

3.1″ Polished Ammonite (Promicroceras) Slab – “Marston Magna Marble” (Item #354088), British Ammonite Fossils for sale. FossilEra your source to quality fossil specimens.
Species: Promicroceras marstonense
Age: Lower Jurassic (~200 Million Years)
Location: Marston Magna, Somerset, England
Formation: Lower Lias, Obtusum Zone
Size: 3.1 x 2.4″, 1.2″ thick