Onnia (trilobite)

Onnia; Temporal range: late Ordovician 461–443 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Onnia seunesi, Ordovician, Morocco
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Asaphida
Family:	Trinucleidae
Genus:	Onnia; Bancroft, 1933
Species
	O. cobboldi; O. goldfussi; O. gracilis; O. seunesi; O. superba; O. vysocanensis;

Onnia is a genus of trilobites from the late Ordovician of Africa, Europe, North America, and South America. Fossils have been found in Canada (Quebec), the Czech Republic, France, Morocco, Portugal, Spain, the United Kingdom, and Venezuela.^[1]

References