Description
An exquisite and rare example of Cleoniceras besairei, a fossil ammonite dating from the Lower Albian Stage of the Early Cretaceous, found in the Boeny region of Madagascar. This finely preserved ammonite displays the iconic aesthetic and symmetry that makes Cleoniceras fossils highly sought after among collectors and palaeontologists alike.
Cleoniceras is well known for its planispiral shell, strong ribbing, and high-gloss polish potential when prepared. This particular specimen—Cleoniceras besairei—exhibits beautifully preserved suture patterns and a stunning shell form that embodies the evolutionary elegance of mid-Cretaceous ammonites.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
The photo shows the actual specimen you will receive, accompanied by a 1cm scale cube and rule for accurate sizing. Please consult the image for full measurement details.
Geological and Taxonomic Information:
- Species: Cleoniceras besairei
- Fossil Type: Ammonite (extinct marine cephalopod)
- Age: Lower Cretaceous, Albian Stage (~113 to 100.5 million years ago)
- Location: Boeny, Madagascar
- Formation: Albian marine sediments, Mahajanga Basin
- Depositional Environment: Tropical, shallow marine shelf with carbonate-rich muds
- Geological Stage: Albian
Taxonomic Classification:
- Order: Ammonitida
- Superfamily: Hoplitaceae
- Family: Hoplitidae
- Genus: Cleoniceras
- Species: Cleoniceras besairei
Morphology & Notable Features:
- Strongly ribbed, involute planispiral shell with slightly compressed whorls
- Delicate, deeply incised suture lines—well-preserved in this example
- Polished surface enhances the visibility of fossil detail and growth lines
- Excellent collector-grade preservation and form
Scientific & Collector Significance:
Cleoniceras besairei is a well-recognised biostratigraphic indicator for Lower Albian marine strata and is featured in both scientific and decorative collections globally. This specimen provides valuable insight into Cretaceous marine ecosystems and evolutionary development.
Specimen Details:
- Approximate Size: Refer to photo with 1cm scale cube
- Condition: Professionally cleaned and preserved
- Origin: Boeny, Madagascar
- Includes: Certificate of Authenticity
Ideal For:
- Fossil collectors and Cretaceous period enthusiasts
- Educational and institutional collections
- Decorative natural history displays
- Gifts for science lovers and history fans
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