22226 - Nice Collection of 2 Agatized & Polished Cleoniceras sp Lower Cretaceous Ammonite Madagascar Nenoticidaris mercieri Note that it is very

Note that it is very different from Bavarilla zemmourensis (Destombes

It displays strong pleochroism

Enchodus faujasi

Ceratonurus

white lead

22226 - Nice Collection of 2 Agatized & Polished Cleoniceras sp Lower Cretaceous Ammonite Madagascar Nenoticidaris mercieri Note that it is veryNice Collection of 2 Agatized & Polished Cleoniceras sp Lower Cretaceous Ammonite Madagascar Cleoniceras sp, Parona and Bonarelli 1897 (ammonite) Cephalopoda Ammonitida Cleoniceratidae Cleoniceras is a rather involute, high whorled hoplitid from the Lower to basal Middle Albian of Europe, Madagascar, and Transcaspian region. The shell has a generally small umbilicus, arched to acute venter, and typically at some growth stage, falcoid ribs that spring