22136 - Nice Agatized & Polished 5.69 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar Margaritopteris Website (institutional address)
Yard notes & kiln story
Description
Website (institutional address)
Sister taxa: Paradoxides (Eccaparadoxides)
Unbroken specimen
This is 1 of 124 approved meteorites (plus 1 unapproved name) classified as Iron
offshore shelf
22136 - Nice Agatized & Polished 5.69 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar Margaritopteris Website (institutional address)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