Penarosa
Penarosa is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Middle Cambrian, approximately 505 to 500 million years ago.
Penarosa is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Middle Cambrian, approximately 505 to 500 million years ago.