Description
Pseudogrammoceras wuertembergeri Ammonite Fossil
This genuine Pseudogrammoceras wuertembergeri ammonite fossil is a collectible Lower Jurassic marine specimen from Truc de Balduc, Lozère, France. Dating to the Upper Toarcian stage, this fossil represents an attractive and scientifically interesting ammonite from the ancient Jurassic seas that once covered parts of southern France.
The specimen is a carefully chosen piece, with the photograph showing the actual fossil you will receive. It is supplied with a Certificate of Authenticity lifetime guarantee generic card, making it an excellent choice for collectors of Jurassic ammonites, French fossils, natural history specimens and educational geology displays.
Geology, Age and Locality
This ammonite comes from the Upper Toarcian of the Lower Jurassic, an interval dating to approximately around 180 million years ago. The Toarcian was an important stage in Jurassic Earth history, marked by widespread shallow marine environments across Europe and a rich diversity of ammonites. These fossils are especially valued because ammonites evolved rapidly and were widely distributed, making them excellent guide fossils for dating and comparing Jurassic rock layers.
The locality of Truc de Balduc in Lozère, France is associated with fossil-bearing Jurassic marine sediments of southern France. During the Early Jurassic, this region formed part of a broad marine setting connected to the western Tethys Ocean. Fine sediments accumulated on the seabed, preserving the shells of ammonites and other marine organisms after burial and fossilisation.
Fossils from named French Jurassic localities are particularly appealing to collectors because they carry strong geographical and geological provenance. This specimen represents a genuine piece of French Jurassic natural history, preserving evidence of marine life from a time long before the modern landscape of Lozère existed.
Fossil Type and Species Details
Pseudogrammoceras wuertembergeri is an ammonite, an extinct marine cephalopod related to modern squid, cuttlefish and nautilus. Ammonites lived in coiled external shells divided into internal chambers. The animal occupied the final body chamber, while the empty chambers helped regulate buoyancy as it moved through the water column.
The genus Pseudogrammoceras is known from the Toarcian and includes elegant, generally compressed ammonites with ribbed ornament and a distinctively coiled shell form. Many examples show fine to moderately strong ribs sweeping across the flanks, often giving the shell a refined and decorative appearance. These features make Pseudogrammoceras ammonites highly attractive display fossils while also retaining strong scientific interest.
Pseudogrammoceras belongs to the order Ammonitida and is associated with the superfamily Hildoceratoidea, a major group of Jurassic ammonites. These ammonites are important in Lower Jurassic biostratigraphy and are widely used for identifying and correlating Toarcian marine deposits.
Upper Toarcian Marine Environment
When this ammonite was alive, the region that is now Lozère was part of a Jurassic marine environment supporting a diverse ecosystem. Ammonites such as Pseudogrammoceras wuertembergeri swam through the ancient sea alongside belemnites, fish and other marine animals, while bivalves, brachiopods, gastropods and other invertebrates lived on or within the seabed.
The shell of the ammonite was both protective and functional. Its chambered structure allowed buoyancy control, while the ribbing helped strengthen the shell and contributed to its distinctive natural pattern. These features are part of what makes ammonites one of the most popular fossil groups for collectors, combining visual appeal, geological importance and a direct connection to prehistoric marine life.
Truc de Balduc, Lozère, France
The Truc de Balduc area in Lozère, France is a desirable locality reference for collectors of European Jurassic fossils. A specimen with a clear locality, age and species identification is especially useful for building a well-labelled fossil collection. French Jurassic ammonites are valued for their classic European geology and their importance in understanding the marine faunas of the Early Jurassic.
This Pseudogrammoceras wuertembergeri ammonite from Truc de Balduc is suitable for display, study, teaching or adding to a themed collection of Lower Jurassic ammonites. Its combination of Upper Toarcian age, named species and French locality provenance gives it excellent collecting appeal.
Genuine Fossil with Certificate of Authenticity
This fossil is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card. Full sizing please see photo. The fossil shown in the photograph is the actual specimen you will receive, allowing you to buy with confidence and add a carefully selected, authentic Lower Jurassic ammonite fossil from France to your collection.
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