Description
Fossil Ammonite Identification
This rare 4.5-inch Cadoceras sublaeve fossil is identified as a macroconch from the Lower Callovian stage of the Jurassic. The specimen is from SEES, France, and forms part of the Alice Purnell Collection. Its named identification, geological age and French locality make it an appealing addition to collections focused on ammonites, Jurassic palaeontology and historically documented natural specimens.
Cadoceras sublaeve is an extinct ammonite, a group of marine cephalopods known for their coiled fossil shells. Ammonites lived in ancient seas and are among the most recognisable fossils in geology. Their shells can preserve valuable information for palaeontologists because features such as coiling, chamber arrangement, ribbing and overall form may help with identification and comparison between related specimens. The macroconch designation is an important part of this specimen’s identification and is retained in the listing title and description.
Geological Context
The Lower Callovian belongs to the Jurassic Period and represents an interval within the Middle Jurassic. Fossils from this stage are of particular interest to collectors and researchers studying Jurassic marine life, ammonite evolution and biostratigraphy. Ammonites are frequently used in geological study because their relatively rapid evolutionary changes and broad marine distribution can help correlate rocks from different regions. This specimen provides a tangible connection to that important chapter of Earth history while retaining a specific identification as Cadoceras sublaeve.
Collection and Display
With its 4.5-inch size, this ammonite fossil is suitable for display in a home collection, study, cabinet of curiosities, educational setting or geology-themed interior. It can be presented alongside other Jurassic fossils, ammonites and geological specimens to create a visually engaging natural-history display. The specimen is associated with the Alice Purnell Collection, adding collection context for buyers who value documented or attributed fossil material.
The photograph shows the actual specimen you will receive.
Full sizing is shown in the photographs.
Certificate of Authenticity
This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
The certificate wording is included exactly as supplied and accompanies the specimen as described. Buyers interested in Jurassic fossils, Lower Callovian ammonites, Cadoceras, macroconchs and French fossil localities will find this a distinctive and conversation-starting natural-history piece.








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