Large Cut & Polished Ammonite Pair | 17.5 × 14cm | Lower Cretaceous | Madagascar ACRIDIDAE and collectors building comprehensive stag

and collectors building comprehensive stag beetle collections

These are collectors-quality beetles suitable for professional displays

An excellent specimen for both scientific study and display

Sharks have remained virtually unchanged since the Paleozoic era

Each geode is then split and polished through the centre

Large Cut & Polished Ammonite Pair | 17.5 × 14cm | Lower Cretaceous | Madagascar ACRIDIDAE and collectors building comprehensive stag115 Million Years of Natural Architecture Ammonites were cephalopod molluscs relatives of today's nautilus and squid that dominated the world's oceans for over 300 million years before their extinction at the end of the Cretaceous period. Named after the ram horned Egyptian god Ammon, whose coiled horns their shells resemble, they ranged in size from a few millimetres to over two metres in diameter. This matched pair, sourced from Madagascar and