20867 - Nice Agatized & Polished 5.44 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar Onchopristis Bones Faculte des Sciences Ain Chock

Faculte des Sciences Ain Chock

Decoroscutellum

Type: Cyrtoceratites arduennensis

one piece was sold to a dealer in Errich

20867 - Nice Agatized & Polished 5.44 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar Onchopristis Bones Faculte des Sciences Ain ChockCleoniceras 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