Cladus: Eukaryota Supergroup: Opisthokonta Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Cladus: Protostomia Superphylum: Ecdysozoa Phylum: Arthropoda Subphylum: †Trilobitomorpha Classis: Trilobita Ordo: Asaphida Superfamilia: Trinucleoidea Familia: Dionididae Genera: Aethedionide - Digrypos - Dionide - Dionideina - Dionidella - Huangnigangia - Paradionide - Tongxinaspis - Trinucleoides
Name
Dionididae Gürich 1907
Reference
* Gürich (1907). Centralbl. Min. Geol. Pal. 1907: 129–133 * Whittard (1940). Ann. Mag. nat. Hist. (11) 6: 138
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