Class Trilobita | Rank Genus | |
Similar Ogygites, Birmanites, Hoekaspis, Megistaspis | ||
Stenorhachis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago.
References
Stenorhachis Wikipedia(Text) CC BY-SA