20313 - Cut & Polished 2.53 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Weltonia A great part of it

A great part of it is still under a thin layer of the original sandy and gravelly sediment

it is known that both the Abelisauridae and the Dromaeosauridae are present there

Ecology: slow-moving semi-infaunal detritivore

Enchodus subaequilateralis

20313 - Cut & Polished 2.53 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Weltonia A great part of itCleoniceras 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