Description
Promicroceras marstonense Fossil
This genuine fossil specimen features Promicroceras marstonense, an ammonite associated with Marston Magna in Somerset, UK. Presented as a multi-block fossil from Marston Marble, it is an appealing geological specimen for fossil collectors, Jurassic enthusiasts, and anyone interested in the palaeontology of southern England.
Geological Identification
The specimen is identified as Promicroceras marstonense and is associated with the Obtusum Zone of the Lower Lias, within the Lower Jurassic. The Lower Lias is a well-known Jurassic rock sequence containing marine fossils, including ammonites. The Obtusum Zone provides a more specific biostratigraphic context within this sequence, making the identification especially interesting for collectors who enjoy fossils with named geological zones and detailed stratigraphic associations.
Ammonite fossils are the preserved remains of extinct marine cephalopods. They are widely valued for their coiled shell forms and their importance in understanding ancient marine environments and Jurassic geological history. Promicroceras marstonense represents a named ammonite fossil identification connected with the Marston Magna area, giving this specimen both palaeontological and regional collecting interest.
Marston Magna and Marston Marble
The locality associated with this fossil is Marston Magna, Somerset, UK. Marston Marble is linked with the local geological heritage of the area and provides an important part of the specimen’s collecting context. The combination of a named ammonite, a recognised Jurassic stratigraphic zone, and a Somerset locality makes this a distinctive addition to a fossil collection, educational display, geological cabinet, or natural history presentation.
Multi-Block Fossil Display
This item is supplied in multi-block form, offering a natural presentation suited to collectors who appreciate geological specimens in their original display format. It can be used as a conversation piece, a teaching aid for introducing Jurassic fossils, or part of a wider collection focused on ammonites, the Lower Lias, British geology, or fossils from Somerset.
The photograph shows the actual specimen you will receive.
Sizing and Authenticity
Full sizing is shown in the photographs. Please review the photographs carefully for the specimen’s presentation and scale before purchase.
This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
The included certificate wording provides an accompanying authenticity guarantee card for the fossil specimen. This makes the piece suitable for collectors seeking a documented natural-history item, as well as for gifting to anyone interested in ammonites, Jurassic geology, palaeontology, or British fossil localities.






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