Large Raw Ammonite from Madagascar, 230 mm - Cleoniceras - Natural Fossil

Add a monumental piece of prehistory to your collection! We offer an exceptionally large, raw specimen of an ammonite from the genus Cleoniceras, originating from Cretaceous sediments in Madagascar (approx. 110–120 million years old). This impressive fossil captivates with its completely natural, unprocessed state of preservation. The characteristic, organic patterns of the lobe lines (seams) are clearly visible on the raw, matte surface of the shell. This is an outstanding specimen of high scientific and display value that will perfectly adorn any display case or study!

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Large Raw Ammonite from Madagascar (Cleoniceras) – Natural Fossil – Lower Cretaceous

This listing features an original, impressively large, raw ammonite specimen of the genus Cleoniceras. The fossil comes from the famous Cretaceous formations of Madagascar and dates back to the Lower Cretaceous period (approx. 110–120 million years ago). The specimen has been preserved in its completely natural state—the shell has not been mechanically cut, cut, or polished. This allows you to admire the authentic, three-dimensional external structure and the original texture of this prehistoric cephalopod exactly as it was extracted from the rock.

Specimen data and specifications:

✓ Type: Natural fossil
✓ Species: Cleoniceras sp.
✓ Geological age: Lower Cretaceous (approx. 110–120 million years)
✓ Dimensions of the specimen: Approx. 230 x 200 x 50 mm
✓ Total weight: Approx. 1,955 g
✓ Origin: Madagascar (Mahajanga region)
✓ Condition/Finish: Raw specimen, completely natural, unprocessed
✓ Photos: Show the product being offered

A Work of Art by Nature – The Raw Aesthetics of Cleoniceras

Ammonites of the genus Cleoniceras are most often associated with smooth, polished halves revealing calcite chambers. However, it is precisely in their raw state that their greatest scientific value and authentic charm lie. The lobular lines (known as sutures) are clearly visible on the surface of this 10-centimeter specimen. These intricate, leaf-like or geometric patterns mark the points where the internal chamber partitions connected to the outer wall of the shell. In their natural state, these lines form a unique pattern resembling an intricate tattoo created by nature itself millions of years ago.

Impressive Size – A Unique Specimen for Professional Display Cases

Such large, intact specimens with a well-preserved structure are rare and are the pride of any paleontological collection. The matte, earthy-beige coating with natural mineralization highlights blends perfectly with glass display cases, modern office interiors, and traditional academic exhibits. It is an excellent choice for those seeking reliable scientific material or a unique, historical gift with tremendous expressive power.