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A mounted Cleoniceras Ammonite, Cretaceous period, Majunga Basin, Madagascar, polished displaying natural iridescence, approximately 18cm diameter...
A mounted Cleoniceras Ammonite, Cretaceous period, Majunga Basin, Madagascar, polished displaying articulated suture in honey-coloured amber and b...
A mounted Cleoniceras Ammonite, Cretaceous period, Majunga Basin, Madagascar, polished displaying red and green iridescent colours, approximately ...
An iridescent Dakotan Ammonite, Upper Cretaceous period, Fox Hills Formation, (approx. 65 Mya) Sphenodiscus splendens , polished showing red, gree...
A framed Crinoid plate, Early Denovian period, Bundenbach, Germany, (approx. 400 Mya), displaying a group of crinoids - a flower-like animal that ...