Description
Promicroceras marstonense Fossil Ammonite
This genuine fossil listing features a multi-block specimen identified as Promicroceras marstonense, associated with Marston Marble from Marston Magna in Somerset, UK. The specimen is identified within the Obtusum Zone of the Lower Lias, placing it in the Lower Jurassic. Its named fossil identification, geological zone and regional setting make it an appealing addition to collections focused on ammonites, Jurassic geology and British fossils.
Geological Identification
Promicroceras marstonense is an ammonite fossil associated with the Lower Jurassic. Ammonites were extinct marine cephalopods, related in broad zoological terms to living squid, cuttlefish and nautiluses. Their coiled shells and distinctive evolutionary changes make them important fossils for geological correlation and biostratigraphy. The Obtusum Zone is a recognised Lower Jurassic ammonite biozone, providing a useful geological context for specimens identified from this interval.
The Lower Lias is a well-known Lower Jurassic succession in Britain, and fossils from this part of the Jurassic are highly valued for both their scientific context and their visual appeal. Marston Magna, Somerset, is the stated locality for this specimen, while Marston Marble is the named geological material associated with the fossil. The multi-block format presents the specimen as a group of connected or associated blocks rather than as a single loose fossil, giving it a distinctive display character.
Collector and Display Appeal
This Promicroceras marstonense fossil is suited to ammonite collectors, Jurassic fossil enthusiasts, geology students, natural-history displays and educational collections. It offers several points of interest in one piece: a named ammonite identification, a specific Lower Jurassic biozone, the Lower Lias geological setting and a Somerset, UK locality. These details make it suitable for display alongside other Jurassic ammonites, British fossils or geological specimens arranged by age, locality or stratigraphic zone.
The specimen can also provide a useful starting point for learning about ammonite taxonomy, fossil preservation, Jurassic marine environments and the use of index fossils in geological dating. The identification of Promicroceras marstonense and its placement in the Obtusum Zone give the piece a more specific geological context than a general unidentified ammonite specimen.
Photography and Sizing
The photograph shows the actual specimen you will receive.
Full sizing is shown in the photographs. Please study the images carefully for the overall presentation, block arrangement, visible fossil detail and scale of the specimen before purchasing. The photographs are intended to show the supplied piece as it will arrive and to assist with display planning.
Authenticity
This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
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