Peratagnostus

Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Cladus: Ecdysozoa • Phylum: Arthropoda • Cladus: Arachnomorpha • Subphylum: †Trilobitomorpha • Classis: †Trilobita • Ordo: Agnostida • Familia: Agnostidae • Genus: Peratagnostus Howell, 1935