Kingdom Animalia Class Trilobita | Phylum Arthropoda Rank Genus | |
Similar Hoekaspis, Ogyginus, Asaphida | ||
Psilocara is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately 478 to 471 million years ago.
References
Psilocara Wikipedia(Text) CC BY-SA