20871 - Cut & Polished 2.57 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Spinosaurus Journal of Vertebrate Paleontology 32(1):82-104

Journal of Vertebrate Paleontology 32(1):82-104

It is a quite rare species within the huge shark assemblage present in the phosphates of the lower Paleogene of this region of Morocco

Pamirotellus

Wonderful polished specimen of this Devonian rugose Coral (Hexagonaria)

Eoleonaspis

20871 - Cut & Polished 2.57 Inch Cleoniceras sp Lower Cretaceous Ammonite Madagascar - Agatized Spinosaurus Journal of Vertebrate Paleontology 32(1):82-104Cleoniceras 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