Calliphylloceras Disputabile Ammonite Fossil Jurassic France COA Genuine Digne Lower Jurassic Marine Collector Specimen

Description

Calliphylloceras disputabile Ammonite Fossil – Lower Jurassic Marine Fossil from Digne-les-Bains, France

This genuine Calliphylloceras disputabile ammonite fossil comes from the Lower Jurassic deposits of Digne-les-Bains, Alpes-de-Haute-Provence, France. It is a carefully chosen fossil specimen, with the photo showing the actual piece you will receive. Full sizing can be seen in the photo. This authentic fossil also includes a Certificate of Authenticity lifetime guarantee generic card, making it an excellent choice for collectors of ammonites, French fossils, Jurassic marine fossils and natural history display specimens.

Geology and Age

This fossil dates to the Lower Jurassic Period, a time when ammonites were highly successful marine cephalopods living in warm ancient seas across Europe. During the Early Jurassic, the region now forming southern France was part of a broad marine setting connected to the western Tethys Ocean. Fine sediments accumulated on the sea floor, preserving the remains of ammonites, belemnites, bivalves, brachiopods and other marine organisms.

Digne-les-Bains, in the Alpes-de-Haute-Provence region of France, is well known for its important Jurassic fossil-bearing strata. The surrounding geology records a long history of marine deposition, tectonic uplift and later exposure, allowing collectors and palaeontologists to study ammonites from ancient seaways that existed millions of years ago.

Lower Jurassic ammonites are especially valued because they are important index fossils. Their rapid evolution and wide distribution allow geologists to compare and date rock layers across different regions. A specimen such as Calliphylloceras disputabile therefore offers both attractive display quality and genuine scientific interest.

Fossil Type and Species

This specimen is identified as Calliphylloceras disputabile, a species of ammonite from the Lower Jurassic. Ammonites were extinct marine cephalopods related to modern squid, cuttlefish and nautilus. They possessed coiled, chambered shells, with the living animal occupying the final outer body chamber while the older internal chambers helped regulate buoyancy.

Calliphylloceras belongs to the order Ammonitida and is commonly associated with the family Phylloceratidae and superfamily Phylloceratoidea. Phylloceratid ammonites are known for their elegant shell form, often smooth to finely ornamented surfaces and complex suture patterns. The name Calliphylloceras reflects the refined, leaf-like suture style typical of this group, giving these ammonites particular palaeontological interest.

Morphology and Natural Features

Calliphylloceras disputabile typically has a graceful, planispirally coiled shell form, with whorls arranged in a flat spiral. Phylloceratid ammonites are often recognised by their involute shells, rounded to compressed whorl sections and relatively subtle external ornament compared with more heavily ribbed Jurassic ammonites. This gives them a clean, classic ammonite appearance that is highly attractive in fossil collections.

The shell would originally have been divided into chambers by internal walls called septa. Where these septa met the outer shell wall, they produced intricate suture lines. These sutures are one of the most important features used in ammonite classification and are part of what makes phylloceratid ammonites such fascinating fossils for collectors and palaeontology enthusiasts.

As a living animal, Calliphylloceras disputabile would have moved through Jurassic seas using buoyancy control and jet propulsion. It formed part of a rich marine ecosystem, sharing the water with other ammonites, belemnites, fish and marine invertebrates. After death, the shell settled onto the sea floor, where burial and mineralisation allowed it to survive as a fossil for around 180 million years.

Collector Appeal

A Calliphylloceras disputabile ammonite from Digne-les-Bains is a desirable fossil for collectors of Jurassic ammonites, French fossils and genuine prehistoric marine life. Its Lower Jurassic age, named species identification and classic phylloceratid form make it suitable for fossil cabinets, educational displays, geology collections and natural history exhibits.

French Jurassic ammonites are popular with collectors because they often come from historically important fossil regions with strong geological context. This specimen is ideal for anyone building a collection by ammonite genus, fossil locality, geological age or marine fossil type.

Authenticity and Presentation

This is a genuine fossil specimen and includes a Certificate of Authenticity lifetime guarantee generic card for buyer confidence. The fossil has been carefully selected, and the listing photograph shows the actual specimen you will receive, allowing buyers to view its natural preservation, individual character and display quality before purchase.

This authentic Lower Jurassic Calliphylloceras disputabile ammonite fossil from Digne-les-Bains, Alpes-de-Haute-Provence, France is ideal for fossil collectors, ammonite enthusiasts, geology displays and anyone seeking a genuine piece of prehistoric marine life.