Description
A RARE and exceptional fossil heteromorph ammonite specimen of Acrioceras tabarelli, collected from the Lower Barremian Stage of the Early Cretaceous, originating from Logis du Pin, France. This authentic piece comes from the distinguished Alice Purnell Collection, known for housing significant palaeontological finds.
Acrioceras tabarelli is a striking representative of the Ancyloceratoidea superfamily, with a shell exhibiting a distinctive uncoiled morphology. These heteromorph ammonites differ markedly from typical planispiral forms, often displaying a loosely coiled or irregularly curved shell. The taxon is renowned for its scientific relevance and rarity in the fossil record.
Geological & Scientific Details:
- Scientific Name: Acrioceras tabarelli
- Fossil Type: Heteromorph Ammonite
- Geological Period: Cretaceous
- Geological Stage: Lower Barremian (~129–125 million years ago)
- Location Found: Logis du Pin, France
- Order: Ammonitida
- Superfamily: Ancyloceratoidea
- Family: Ancyloceratidae
- Morphological Features: Heteromorphic shell with helical to irregular coiling, prominent ribs and tubercles; complex suture lines
- Depositional Environment: Marine shelf environment, likely low-energy offshore sedimentary basin with periodic nutrient influx supporting diverse ammonite fauna
This fossil is an outstanding example of heteromorph evolution and diversity during the Lower Barremian, offering insight into morphological adaptation and palaeoecological dynamics.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Please Note:
- Scale Rule Squares / Cube = 1cm – full sizing is visible in the photo
- The fossil pictured is the exact specimen you will receive
- From the Alice Purnell Collection – a superb addition to any fossil collection, scientific study, or museum-quality exhibit
A premium ammonite from a classic French locality, perfect for collectors or academic interest.
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