20312 - Cut & Polished 2.52 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Edmontosaurus only two different pterosaur taxons

only two different pterosaur taxons have been described

Kerfornella

Impressive and rare authentic example of unidentified theropod dinosaur toe foot claw

Owen and D

20312 - Cut & Polished 2.52 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Edmontosaurus only two different pterosaur taxonsCleoniceras 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