30576 - Beautiful 0.29 Inch Ampyxina bellatula Ordovician Trilobite - Missouri, USA Pharyngeal Teeth This is a small rarity

This is a small rarity coming from the Paleogene phosphate quarries of the sedimentarian basin of Oulad Abdoun (Morocco)

Agnostus valentinus

Environments: reef

Agate is a rock consisting primarily of cryptocrystalline silica

30576 - Beautiful 0.29 Inch Ampyxina bellatula Ordovician Trilobite - Missouri, USA Pharyngeal Teeth This is a small rarityAmpyxina bellatula, Savage 1917 (trilobite) Trilobita Asaphida Raphiophoridae PaleoDB taxon number: 307945 Alternative combination: Endymionia bellatula Belongs to Ampyxina according to A. W. Owen and D. L. Bruton 1980 Sister taxa: Ampyxina lanceola, Ampyxina powelli Ecology: fast moving low level epifaunal suspension feeder