20302 - Cut & Polished 5.22 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Squalicorax Enchodus zipapanensis

Enchodus zipapanensis

This Eremiasaurus tooth is preserved in exceptional way

In the occlusion area still numerous sensory pits along both sides and within the tongue groove can be observed

Their fossils are a good indicator of paleoenvironments related with deltas and estuaries

Sometimes large concentrations of iron oxide are present

20302 - Cut & Polished 5.22 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Squalicorax Enchodus zipapanensisCleoniceras 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