. "Zuninaspis"@en . . "Zuninaspis"@en . "Zuninaspis"@en . "Animalia"@en . . . "fossil"@en . "Zuninaspis 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."@en . "Zuninaspis 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."@en . . . . "Arthropoda"@en . .