20315 - Cut & Polished 1.46 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Mawsonia (Coelacanth) Boucot and McClure 1989 (trilobite)

Boucot and McClure 1989 (trilobite)

Great association of two Prognathodon anceps (Mosasaur) teeth

Neumayr (1875) - Ammonite

Reptilia - Squamata - Mosasauridae

Museum grade specimen

20315 - Cut & Polished 1.46 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Mawsonia (Coelacanth) Boucot and McClure 1989 (trilobite)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 in pairs from umbilical tubercles, usually disappearing on the outer whorls. These ammonites