Phylloceras Ammonite Fossil Jurassic Germany Genuine COA Pliensbachian Display Specimen

Description

Genuine Phylloceras sp. Ammonite Fossil

This listing is for a genuine Phylloceras sp. ammonite fossil from the Lower Jurassic, Pliensbachian stage, collected from Kirchheim unter Teck, Baden-Württemberg, Germany. This is a carefully chosen fossil specimen, and the photograph shows the actual fossil you will receive. For the full size and scale of the specimen, please see the photo provided.

This fossil comes supplied with a Certificate of Authenticity lifetime guarantee generic card, confirming it as a genuine natural fossil specimen. It is an excellent piece for fossil collectors, ammonite enthusiasts, geology students, educational displays, natural history collections, or anyone interested in authentic Jurassic marine life.

Lower Jurassic Age and German Locality

This ammonite dates from the Pliensbachian stage of the Lower Jurassic, a period approximately 190 to 183 million years old. During this time, much of what is now southern Germany was covered by warm, shallow to moderately deep epicontinental seas connected to the wider Tethys Ocean system. These marine environments supported a rich diversity of ammonites, bivalves, belemnites, crinoids, fish, and marine reptiles.

The locality of Kirchheim unter Teck in Baden-Württemberg lies close to the Swabian region of southern Germany, an area famous for its Jurassic fossil-bearing strata. The Lower Jurassic rocks of this region preserve evidence of ancient seabeds where fine sediment accumulated over long periods, allowing the shells of ammonites and other marine organisms to become fossilised. German Jurassic ammonites are highly collectible due to their historic scientific importance, attractive preservation, and connection to classic European palaeontology.

Fossil Type and Classification

Phylloceras is an extinct genus of ammonite, a group of marine cephalopods related to modern squid, octopus, cuttlefish, and the living nautilus. Ammonites had coiled, chambered shells and used internal gas-filled chambers to regulate buoyancy as they moved through the prehistoric seas.

This fossil is identified as Phylloceras sp., meaning it belongs to the genus Phylloceras, with the exact species left open. The genus is placed within the Order Phylloceratida, Superfamily Phylloceratoidea, and Family Phylloceratidae. Phylloceratid ammonites are especially known for their elegant shell form and complex suture patterns, which often resemble leaf-like shapes. This distinctive suture style is the origin of the name Phylloceras, meaning “leaf horn”.

Shell Form and Morphology

Phylloceras ammonites typically have smooth to finely ornamented, involute shells, where the outer whorl covers much of the earlier whorls. Compared with more heavily ribbed Jurassic ammonites, Phylloceras often displays a refined and streamlined appearance. Their shells are generally rounded, compressed, and symmetrical, reflecting a successful marine form that persisted across a wide span of the Jurassic.

The shell would originally have been divided into a series of internal chambers, with the living animal occupying the final body chamber. As the ammonite grew, it added new chambers to the shell, sealing off older sections and using them for buoyancy control. This adaptation allowed ammonites to move efficiently through the water column, making them one of the most successful and widespread marine fossil groups of the Mesozoic Era.

Jurassic Marine Environment

During the Pliensbachian, the seas around what is now Baden-Württemberg would have been part of a dynamic Jurassic marine ecosystem. Ammonites such as Phylloceras were active swimmers, likely feeding on small marine animals and drifting organic matter, while also forming part of the food chain for larger predators. Their abundance, rapid evolution, and wide distribution make ammonites extremely important fossils for dating Jurassic rocks and understanding ancient marine environments.

This specimen represents a genuine piece of that ancient seaway, preserved from a time when Europe looked very different and much of southern Germany lay beneath warm Jurassic waters. Its geological context makes it an appealing fossil not only for display, but also for learning about palaeontology, stratigraphy, and the evolution of marine cephalopods.

Authenticity and Collector Appeal

This Phylloceras sp. ammonite fossil from Kirchheim unter Teck, Germany is a desirable addition to any fossil collection. It combines classic Jurassic age, a respected European locality, and the timeless appeal of a genuine ammonite fossil. The actual specimen shown in the photo is the one supplied, making it suitable for collectors who value accuracy and transparency when purchasing fossils online.

Natural fossil specimens may show matrix, surface texture, age-related wear, mineralisation, and preservation features, all of which are part of their authentic character. Supplied with a Certificate of Authenticity lifetime guarantee generic card, this fossil makes a thoughtful gift, display piece, educational specimen, or addition to a serious ammonite and Jurassic fossil collection.