Fossilized Cleoniceras Ammonite Specimen with...

Impressive Cretaceous specimen with extraordinary preservation — This magnificent fossil ammonite specimen belonging to the genus Cleoniceras offers an exceptional window into the Early Cretaceous (about 110-100 million years ago). Its classification places it among extinct cephalopod mollusks, characterized by an external spiral shell. The fossilization has impeccably preserved the complex ammonitic sutures, which appear as intricate dendritic structures on the polished surface, making each piece unique. The outer shell, of notable size, shows a mineral stratigraphy ranging from dark brown to orange-brown tones, with lighter areas where the sutural structures, now filled with crystalline calcite, stand out with a strong contrast. The precision polish highlights the natural luster of the surface, almost vitreous in some sections, and allows appreciation of the perfect geometry of the inner spiral, typical of cephalopods. Hailing from Madagascar, a region renowned for the discovery of high-quality ammonite fossils, this specimen was recovered from marine deposits that attest to ancient oceans rich in life. Its geological formation dates back to a time when these marine predators dominated ecosystems, and the fossilization occurred through a slow mineralization process that replaced organic tissues with stable minerals. Aesthetically, the piece stands out for its extraordinarily detailed pattern and the harmonious combination of natural colors. The inner part of the shell has been skillfully cut and polished to reveal the inner chamber and the intricate suture lines, creating a hypnotic visual effect. The surrounding matrix has been carefully removed to enhance the spiral form and the intrinsic beauty of the fossil organism. The preservation state is excellent, with no significant restorations that would alter its scientific and aesthetic integrity. The size and weight confirm its importance as a collectible piece. Any minor imperfections should be regarded as part of its geological history and do not diminish its value. The specimen is stable and ready to be exhibited, representing a magnificent decorative element or a paleontological study object. In the context of paleontological collecting, specimens of Cleoniceras with such a degree of suture preservation and with these dimensions are particularly sought after. Their rarity is amplified by the quality of the polish that reveals its internal architecture, offering added value for both the experienced collector and the enthusiast who desires a piece of natural history with great visual and scientific impact.

Estimate:$839.7

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