A magnificent extra-large ammonite fossil of the species Cleoniceras (also referred to as Aioloceras), weighing 9.32 kg. This specimen displays the iconic spiral form of the prehistoric shell, with remarkable iridescent qualities shimmering across its surface. The natural mineralisation has preserved exquisite details of the shell’s structure, offering a captivating interplay of colour, texture, and geological history.

Originating from Madagascar, this ammonite is both a scientific treasure and a decorative masterpiece, making it an exceptional addition to fossil collections, natural history displays, or refined interiors.