RARE CATULLOCERAS dumortieri Fossil Ammonite – Upper Toarcian, Early Jurassic: Caen, France – Alice Purnell Collection – Certified Specimen

Description

An impressive and scientifically valuable fossil ammonite of the species Catulloceras dumortieri, collected from the Upper Toarcian Stage of the Early Jurassic, from Caen, France. This rare specimen is part of the prestigious Alice Purnell Collection, known for its high-quality and scientifically relevant fossil finds.

Catulloceras dumortieri belongs to the family Dactylioceratidae and is characterised by a distinctive involute coiling with strong, rounded ribs. The morphology and stratigraphic position of this ammonite make it an important index fossil for Toarcian marine deposits.

Geological & Scientific Details:

• Scientific Name: Catulloceras dumortieri
• Fossil Type: Ammonite
• Geological Period: Early Jurassic
• Geological Stage: Upper Toarcian (~179–174 million years ago)
• Location Found: Caen, France
• Order: Ammonitida
• Superfamily: Eodactylioceratoidea
• Family: Dactylioceratidae
• Morphological Features: Involute coiling, bold and widely spaced ribs, moderately compressed whorl section
• Depositional Environment: Shallow marine environment with fine-grained sediment accumulation
• Biozone Significance: Useful in zonal classification of European Toarcian ammonite faunas

This specimen is ideal for palaeontological study, museum display, or private collection, offering both scientific significance and aesthetic appeal.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

Please Note:

• Scale Rule Squares / Cube = 1cm – refer to photos for full dimensions
• The specimen photographed is the exact item you will receive
• From the notable Alice Purnell Collection, ensuring authenticity and provenance

A striking and educational fossil perfect for enthusiasts of Earth history and ammonite diversity.