Bidspirit auction | A Madagascar Fossil Specimen of

A Madagascar Fossil Specimen of a Polished Cymatoceras sakalavus Nautiloid - A fossilised specimen originating from Madagascar. A polished planispiral nautiloid shell, identified as Cymatoceras sakalavus from the Cretaceous period. The specimen displays a smooth surface with characteristic brown and cream-coloured banding. Close up you can see it shows cross-sections of an ammonite, showing the internal chambers and wavy septal walls filled with mineralised deposits.