Kingdom Animalia Class Trilobita Family Trinucleidae | Phylum Arthropoda Order Asaphida Rank Genus | |
Similar Trinucleidae, Selenopeltis, Asaphida, Lonchodomas, Cyphaspis | ||
Onnia is a genus of trilobites from the late Ordovician of Africa, Europe, North America, and South America.
References
Onnia (trilobite) Wikipedia(Text) CC BY-SA