Hoplitids Ammonite Fossil Middle Albian Cretaceous France Genuine Specimen with COA

Description

Genuine Hoplitids Ammonite Fossil from France

This listing presents an authentic Hoplitids ammonite fossil dating to the Middle Albian Stage of the Early Cretaceous, discovered in the famous fossil-rich beds of Aube, France. At approximately 108–105 million years old, this specimen captures an important moment in the evolutionary history of ammonites, representing a lineage of highly distinctive, tuberculate forms. The fossil shown in the photographs is the exact specimen you will receive, accompanied by a 1 cm scale cube for size reference. Every piece is supplied with a Certificate of Authenticity, confirming it as a 100% genuine specimen.

Geological Setting and Provenance

The Middle Albian is a subdivision of the Early Cretaceous, spanning around 108–105 million years ago. This period is characterised by major evolutionary radiation events among ammonites, with Hoplitidae serving as a dominant and defining family. The Aube region of France is world-renowned for its rich ammonite-bearing deposits. Sediments here, including clays and marls, formed within shallow marine basins that were part of an expansive seaway covering much of Western Europe.

Fossils from this locality are noted for their fine preservation and clarity of detail, providing insights into ammonite morphology, diversity, and paleoecology. Ammonites such as this specimen are also essential biostratigraphic index fossils, allowing geologists to identify and correlate layers of Cretaceous strata across Europe and beyond.

Scientific Classification

• Fossil Type: Ammonite
• Group: Hoplitids
• Order: Ammonitida
• Superfamily: Hoplitaceae
• Family: Hoplitidae
• Geological Stage: Middle Albian, Early Cretaceous (~108–105 million years ago)
• Locality: Aube, France

Morphological Features of Hoplitids

Hoplitid ammonites are easily recognised by their strong, ornamented shells. Distinctive traits visible in this fossil include:

• Bold, raised ribbing crossing the flanks, continuing uninterrupted across the venter.
• Prominent tubercles on the ventrolateral margins, giving the fossil its rugged texture.
• A planispiral, involute shell form, tightly coiled with overlapping whorls.
• Well-preserved suture lines, showcasing the complexity typical of Cretaceous ammonites.

These traits not only define the Hoplitids as a group but also highlight their adaptation to marine environments, where shell ornamentation may have provided structural reinforcement and hydrodynamic advantages.

Depositional Environment and Paleoecology

The Middle Albian seas covering the Aube region were warm, shallow, and nutrient-rich, supporting a wide array of marine life including ammonites, belemnites, bivalves, and marine reptiles. Ammonites such as this Hoplitid were nektonic predators, moving actively through the water column in pursuit of prey. Their streamlined shells, combined with their buoyancy control, allowed them to occupy diverse ecological niches.

The sediments in which they were buried preserved them in exceptional detail. Fine clay and marl sequences recorded not only the shells themselves but also the subtle ribbing and tuberculation that make these fossils so scientifically valuable and visually striking.

Collector and Scientific Value

This Hoplitids ammonite fossil is both a rare collector’s piece and an important scientific specimen. For paleontologists, it represents a marker species of the Albian and provides key insights into ammonite radiation and evolutionary development during the Early Cretaceous. For private collectors, its bold ribbing, strong tubercles, and overall aesthetic appeal make it a natural centrepiece for display.

Specimens like this are increasingly difficult to obtain, particularly from classic French localities such as Aube, where collecting restrictions and limited exposures make authentic examples highly desirable.

Key Details

• Species Group: Hoplitids (Ammonitida, Hoplitidae)
• Age: Middle Albian, Early Cretaceous (~108–105 million years old)
• Location: Aube, France
• Features: Ribbed shell, ventrolateral tubercles, compressed whorls, preserved suture patterns
• Authenticity: 100% genuine fossil, supplied with Certificate of Authenticity
• Exact Specimen: Photographs show the fossil you will receive
• Scale: 1 cm cube included for accurate size reference

This superb Hoplitids ammonite fossil from the Middle Albian of France represents both a scientifically important and highly attractive specimen, perfect for collectors of Cretaceous ammonites and enthusiasts of rare, authentic fossils.