Description
Psiloceras planorbis Fossil Ammonite
This fossil ammonite is identified as Psiloceras planorbis and is associated with the Blue Lias of the Jurassic at Watchet, Somerset, UK. It is an appealing geological specimen for fossil collectors, ammonite enthusiasts, students of palaeontology and anyone interested in the ancient marine environments represented by Jurassic rocks.
Geological Setting
The Blue Lias is a well-known Jurassic rock succession in the United Kingdom, particularly associated with the coastal geology of southern England. Its alternating sedimentary beds preserve evidence of marine conditions and are widely recognised for their fossil content. Watchet, in Somerset, is an important location for studying Jurassic geology and collecting interest, making this locality a meaningful part of the specimen’s geological description.
Jurassic ammonites are among the most recognisable fossils from the Mesozoic Era. They were extinct marine cephalopods related more distantly to living nautiluses, squid and cuttlefish. Their coiled shells and detailed chamber structures make ammonites especially popular with collectors, while their geological distribution has also made them valuable in the study and comparison of Jurassic rocks.
Collector Interest
Psiloceras planorbis is a distinctive fossil identification within the early Jurassic ammonite record. A specimen connected with the Blue Lias and Watchet, Somerset, provides an attractive opportunity to add a UK Jurassic fossil to a personal collection. It can be displayed as a natural-history object, used as an educational example, or included in a wider collection of ammonites, Jurassic fossils and British geological specimens.
The combination of a named ammonite identification, Jurassic age and Somerset locality gives this piece strong subject appeal for collectors who value geological context as well as the fossil itself. It is also suitable for fossil displays focused on ammonites, British geology, the Jurassic Period or the fossil-bearing rocks of the English coastline.
Specimen Preparation
Your specimen was discovered by our own team members, Alister and Alison and has been cleaned, prepped and treated by Alison.
This preparation history makes the specimen ready for consideration as part of a collection or display. The fossil has been handled with attention to presenting its geological character while retaining its identity as a collected specimen from the stated locality.
Certificate of Authenticity
This fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
The included certificate wording provides an additional point of reference for collectors purchasing this Jurassic ammonite fossil. Please retain the certificate with the specimen as part of its collecting documentation.
Display and Educational Use
This Psiloceras planorbis fossil can be displayed alongside other ammonites, Jurassic fossils or British specimens to create a themed geological collection. It can also support learning about extinct marine life, fossilisation, Jurassic environments and the importance of locality information in palaeontology. The Watchet, Somerset setting and Blue Lias association give the specimen a clear geological story that can be appreciated by both experienced collectors and newcomers to fossil collecting.








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