Ptychaspididae
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: †Asaphida
Superfamilia: Dikelocephaloidea
Familia: Ptychaspididae
Genera: Alborsella - Changia - Eoptychaspis - Eowuhuia - Euptychaspis - Idiomesus - Kathleenella - Keithia - Keithiella - Macronoda - Plectrella - Proricephalus - Ptychaspis - Saukioides - Sunwaptia - Wilcoxaspis
Name
editPtychaspididae Raymond 1924