Description
Genuine Subdiscosphinctes cf. lucingae Ammonite Fossil from Vienne, France
This Subdiscosphinctes cf. lucingae ammonite fossil is a genuine Upper Jurassic specimen from the Poitiers–Thouars area of Vienne, France. Dating from the Oxfordian Stage, this carefully chosen fossil represents a marine cephalopod from the ancient Jurassic seas that once covered large parts of western Europe. It is an attractive natural history specimen with strong geological interest, classic ammonite appeal and a desirable French fossil locality.
The photograph shows the actual fossil you will receive, making this an individual specimen rather than a stock image or representative example. For full sizing and visible condition, please see the listing photo. This fossil is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card.
Fossil Type and Species Interest
Subdiscosphinctes cf. lucingae is an ammonite, an extinct marine cephalopod related to modern squid, cuttlefish and nautilus. Ammonites lived within coiled external shells divided into a series of internal chambers. These chambers helped regulate buoyancy in the water column, while the soft-bodied animal occupied the final living chamber at the front of the shell.
The “cf.” in the name indicates that the fossil compares closely with Subdiscosphinctes lucingae. This is often used for fossils that show strong similarity to a known species while allowing for natural variation or preservation differences. Subdiscosphinctes is part of the diverse Upper Jurassic ammonite fauna and is appreciated by collectors for its classic coiled shell shape and ribbed ornamentation.
Ammonites of this type commonly show rounded to moderately compressed whorls with ribs that pass across the shell as it coils. In many Upper Jurassic ammonites, ribbing may divide or change strength across the whorl, producing a detailed shell surface that records growth through life. These natural features give the fossil strong visual appeal and make it an excellent example of Jurassic ammonite morphology.
As an ammonite, Subdiscosphinctes belongs to the order Ammonitida, one of the most important fossil cephalopod groups of the Mesozoic Era. Ammonites evolved rapidly, were widespread in ancient seas and are widely used by geologists and palaeontologists for dating and comparing marine rock layers.
Geology, Age and Oxfordian Setting
This fossil comes from the Upper Jurassic, specifically the Oxfordian Stage. The Oxfordian was an important interval in Jurassic marine history, when warm seas, carbonate platforms and marine basins extended across much of Europe. These seas supported a rich ecosystem of ammonites, belemnites, brachiopods, bivalves, gastropods, echinoids, fish and marine reptiles.
During the Oxfordian, the region now represented by Vienne in western France was influenced by marine environments connected to wider European Jurassic seas. Sediments accumulated on the ancient sea floor, burying shells and other remains. Over millions of years, these remains became compacted, mineralised and preserved as fossils within sedimentary rocks.
The fossil-bearing deposits of this age are especially valued because they preserve a record of changing Jurassic marine ecosystems. Ammonites such as Subdiscosphinctes are important within these deposits because their shell forms and ornamentation help represent the diversity and evolution of cephalopods during the Late Jurassic.
Poitiers–Thouars, Vienne Locality
The Poitiers–Thouars area of Vienne, France, is associated with fossil-bearing Jurassic deposits and is appreciated by collectors for its European provenance and ammonite material. Fossils from French Jurassic localities are popular because they combine attractive preservation, scientific value and a strong connection to classic European palaeontology.
A Subdiscosphinctes cf. lucingae ammonite from this locality combines a named fossil type, a defined Oxfordian age and a desirable French geological setting. It is well suited to collections focused on ammonites, Jurassic fossils, fossil cephalopods, French geology and natural history display specimens.
Authenticity and Presentation
This Subdiscosphinctes cf. lucingae ammonite fossil is a genuine specimen selected for its natural character, geological interest and display quality. It is supplied exactly as shown in the listing photograph, so the fossil pictured is the actual piece you will receive.
The included Certificate of Authenticity lifetime guarantee generic card provides reassurance for collectors, educators, gift buyers and natural history enthusiasts. This makes the fossil suitable for a serious fossil collection, educational use or display in a cabinet, study, classroom, office or geology-themed room.
Display, Collecting and Educational Value
This Subdiscosphinctes cf. lucingae ammonite is ideal for collectors of French fossils, Jurassic ammonites, Upper Jurassic cephalopods and natural history specimens. Its Oxfordian age, Vienne locality and naturally ribbed ammonite form give it excellent appeal as both a display fossil and an educational specimen.
As a genuine Upper Jurassic ammonite from France, this fossil offers a direct connection to the ancient marine world that existed millions of years ago. It would make an excellent fossil gift, collector’s item, teaching specimen or display piece for anyone interested in ammonites, cephalopods, palaeontology, French geology and the fossil-rich marine deposits of the Jurassic Period.
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