Description
This is a RARE 3.75″ Cleoniceras cleon Fossil Ammonite, an elegantly preserved and highly aesthetic example from the Albian Stage of the Lower Cretaceous, discovered in Madagascar.
Cleoniceras cleon is a species of fast-swimming, nektonic ammonite with a typically discoidal shell and beautifully preserved suture lines. This specimen displays stunning natural detail and exhibits the classic ribbing and symmetry for which the genus is renowned.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
The photo shows the actual specimen you will receive, with a 1cm scale cube included for precise size reference. Please consult the image for full sizing.
Geological and Taxonomic Information:
- Species: Cleoniceras cleon
- Fossil Type: Ammonite (extinct marine cephalopod)
- Age: Lower Cretaceous, Albian Stage (~113 to 100.5 million years ago)
- Locality: Madagascar
- Formation: Likely Mahajanga Basin marine deposits
- Depositional Environment: Shallow marine shelf in a warm, tropical sea rich in carbonate muds and bioclastic sediments
- Geological Stage: Albian
Taxonomic Classification:
- Order: Ammonitida
- Superfamily: Hoplitoidea
- Family: Hoplitidae
- Genus: Cleoniceras
- Species: C. cleon
- Formally Described By: Zittel, 1884
Morphology & Notable Features:
- Strongly involute, discoidal shell with dense, sharp ribbing
- Prominent umbilical shoulder and slightly flattened flanks
- Intricate, sinuous suture lines typical of mid-Cretaceous hoplitids
- Elegant whorls make this a standout collector’s piece
- Specimens often show nacreous iridescence when polished, but this one is left in natural form for authenticity
Scientific & Collector Significance:
Cleoniceras cleon is frequently used as a zone fossil for correlation within the Albian Stage. Its presence helps identify and refine the dating of Cretaceous marine strata.
Madagascar continues to yield some of the world’s finest examples of this genus, making this a highly collectible piece for both professional paleontologists and amateur enthusiasts.
Specimen Details:
- Approximate Size: 3.75 inches – see photo with 1cm scale cube
- Condition: Professionally prepared and suitable for display
- Locality: Madagascar
- Includes: Certificate of Authenticity
Ideal For:
- Collectors of rare ammonites and Cretaceous fossils
- Academic study and display
- Gifts for fossil lovers and enthusiasts of natural history
- Geological and paleontological education
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