Cheilocephalidae
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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: †Corynexochida
Subordo: †Leiostegiina
Superfamilia: Leiostegioidea
Familia: Cheilocephalidae
Genera: Aksayaspis – Cheilocephalus – Emsurella – Lecanoaspis – Macelloura – Oligometopus – Parakoldinia – Pseudokingstonia – Pseudokoldinia
Name edit
Cheilocephalidae Shaw 1956