Description
RARE FOSSIL AMMONITE – Morrisiceras morrisi – FULLERS EARTH ROCK – MIDDLE BATHONIAN, JURASSIC – DUNKTON BATH, UNITED KINGDOM
This listing features an exquisite and scientifically significant fossil ammonite of the species Morrisiceras morrisi, preserved within the Fullers Earth Rock Formation, dating to the Middle Bathonian Stage of the Jurassic Period (~168–166 million years ago). It was discovered near Dunkton, Bath, UK, and comes from the esteemed Alice Purnell Collection. A Certificate of Authenticity is included.
The photo shows the actual specimen you will receive. Please refer to the 1cm scale rule cube in the image for full sizing. This fossil was carefully selected for its clarity, preservation, and scientific relevance.
GEOLOGICAL & TAXONOMIC INFORMATION:
- Species: Morrisiceras morrisi
- Geological Period: Jurassic
- Stage: Middle Bathonian
- Age Estimate: Approximately 168–166 million years ago
- Location: Dunkton, Bath, Somerset, United Kingdom
- Rock Formation: Fullers Earth Rock Formation
- Depositional Environment: Shallow marine shelf with fine-grained mudstones and limestones
- Family: Morphoceratidae
- Superfamily: Stephanoceratoidea
- Order: Ammonitida
- Class: Cephalopoda
- Phylum: Mollusca
Morrisiceras morrisi is a moderately rare ammonite species, used as a zonal fossil for the Morrisi Zone within the Bathonian stratigraphy. It serves as a valuable index fossil, particularly for correlating sedimentary deposits across Europe.
MORPHOLOGY FEATURES:
- Involute shell with strong ribbing
- Rounded whorl section
- Ribbing may be sinuous or bifurcate on the flanks
- Distinguished keel and ventrolateral tuberculation in some specimens
- Typical size varies, with excellent definition in sutures and ornamentation
BIOSTRATIGRAPHIC ZONE:
- Morrisi Zone (Middle Bathonian) – this species lends its name to this ammonite biozone and is critical for stratigraphic correlation in British Jurassic sections.
NOTABLE FEATURES:
- High scientific and stratigraphic value
- Excellent condition; preserved from a classic fossiliferous UK locality
- Representative of the key Bathonian ammonite fauna
- Rare specimen from the well-known Fullers Earth succession
- From the curated Alice Purnell Collection
- Supplied with a Certificate of Authenticity
SUMMARY:
- Species: Morrisiceras morrisi
- Formation: Fullers Earth Rock
- Age: Middle Bathonian (~168–166 Ma)
- Locality: Dunkton Bath, Somerset, UK
- Preservation: Outstanding clarity with diagnostic features
- Collection: Alice Purnell
- Authenticity: Certified genuine fossil specimen
- Specimen Photo: Exact fossil shown in image
An outstanding opportunity to add a zone-defining Bathonian ammonite to your collection. Whether for educational, scientific, or aesthetic appreciation, this fossil represents a key stage in Earth’s paleontological record.
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