Aulacopleuroidea
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/CyphaspisPlate.jpg/220px-CyphaspisPlate.jpg)
Taxonavigation
editSuperregnum: 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: †Proetida
Subordo: †Proetina
Superfamilia: Aulacopleuroidea
Familiae: Aulacopleuridae - Brachymetopidae - Rorringtoniidae
Stratigraphic Extension
editLower Ordovician --> Upper Permian