22137 - Nice Agatized 6.61 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar Ectillaenus kamacite rich in Si and

kamacite rich in Si and schreibersite are present

indicating that this specimen has affinities with the depleted compositional group of shergottites

Classification: Martian meteorite (Shergottite)

marginal marine (5)

with its positive and negative part

22137 - Nice Agatized 6.61 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar Ectillaenus kamacite rich in Si andCleoniceras 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