Large Cut & Polished Ammonite Pair | 18 × 15cm | Lower Cretaceous | Madagascar dead Gasteracantha diardi

Gasteracantha diardi

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Museum-quality presentation suitable for homes

Larvae develop in rotting wood over 1-2 years before pupating

Large Cut & Polished Ammonite Pair | 18 × 15cm | Lower Cretaceous | Madagascar dead Gasteracantha diardi115 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