Trinucleoidea

Taxonavigation

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: †Artiopoda
Superclassis: †Trilobitomorpha
Classis: †Trilobita
Ordo: †Asaphida
Superfamilia: Trinucleoidea
Familiae: Alsataspididae - Dionididae - Lisaniidae - Raphiophoridae - Trinucleidae

Stratigraphic Extension

Upper Cambrian --> Upper Silurian