Trimerelloidea

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Brachiopoda
Subphylum: Craniiformea
Classis: Craniata
Ordo: †Trimerellida
Superfamilia: †Trimerelloidea
Familiae: †Adensuidae - †Trimerellidae - †Ussuniidae

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