Protagraulos

Protagraulos is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage,^[1] which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period..

Protagraulos Temporal range: Botomian[1]
Conservation status
Fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Ptychopariida
Superfamily:	Ellipsocephaloidea
Family:	Ellipsocephalidae
Genus:	Protagraulos