Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: †Placodermi
Ordo: †Arthrodiriformes
Subordo: †Actinolepidoidei
Genus: †Eukaia
Species: †E. elongata

Name

Eukaia Mark-Kurik, 2013

Type species: Eukaia elongata Mark-Kurik, 2013

Etymology: From the first syllables of the given name and surname of Eugenia P. Kasperkevich, and the Latin suffix -ia, denoting pertaining to. She was the geologist who discovered this unique fish specimen.

References

• Mark-Kurik, E. 2013. A new Lower Devonian arthrodire (Placodermi) from the NW Siberian Platform. Estonian Journal of Earth Sciences 62(3): 131–138. DOI: 10.3176/earth.2013.11 Reference page.