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Life-forms

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: †Asaphida
Superfamilia: Trinucleoidea
Familia: Dionididae
Genera: Aethedionide – Digrypos – Dionide – Dionideina – Dionidella – Huangnigangia – Paradionide – Tongxinaspis – Trinucleoides
Name

Dionididae Gürich 1907
References

Gürich (1907). Centralbl. Min. Geol. Pal. 1907: 129–133
Whittard (1940). Ann. Mag. nat. Hist. (11) 6: 138

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Biology Encyclopedia

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