Taxonavigation

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: Asaphida
Superfamilia: Trinucleoidea
Familia: Trinucleidae
Genus: †Costonia
Species: †C. elegans – †C. ultima

Name

Costonia Whittard, 1956

References

  • Whittard, W.F. 1956. The Ordovician trilobites of the Shelve Inlier, West Shropshire. Palaeontographical Society Monograph, Parts I–VIII, 1–306, with 50 pls. Reference page. 
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