Ptychopariina
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Superregnum: Eukaryota
Regnum: Animalia
Phylum: Arthropoda
Subphylum: †Trilobitomorpha
Classis: Trilobita
Ordo: Ptychopariida
Subordo: Ptychopariina
Superfamiliae: Ellipsocephaloidea - Ptychoparioidea - Incertae Sedis
Name [edit]
Ptychopariina Swinnerton 1915
Stratigraphic Extension [edit]
Lower Cambrian --> Middle Ordovician
