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: †Trilobitomorpha
Classis: †Trilobita
Ordo: †Phacopida
Subordo: †Calymenina
Superfamilia: Calymenoidea
Familia: Pharostomatidae
Genera: Eopharostoma - Paivinia - Pharostomina - Prionocheilus - Ptychometopus - Thulincola - Xuanenia
Name
Pharostomatidae Hupé 1953
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