Akialoa

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Theropoda
Cladus: Neotheropoda
Infraclassis: Aves
Ordo: Passeriformes
Subordo: Passeri
Infraordo: Passerida
Superfamilia: Passeroidea

Familia: Fringillidae
Subfamilia: Carduelinae
Genus: †Akialoa
Species: †A. ellisiana – A. lanaiensis – A. obscura – †A. stejnegeri
Name

Akialoa Olson & James, 1995

Gender: feminine
Original status: valid genus
Type species: Certhia obscura Gmelin, 1789
Fixation: original designation [see p. 384]

References

Olson, S.L. & James, H.F. 1995. Nomenclature of the Hawaiian akialoas and nukupuus (Aves: Drepanidini). Proceedings of the Biological Society of Washington 108(3): 373–387. BHL Reference page.
Pratt, H. D. 2009. A new genus for the Hawai'i creeper, with comments on generic limits among insectivorous Hawaiian honeycreepers. 'Elepaio 69: 47–50.

Akialoa is an extinct genus of Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae.

The birds were endemic to Hawaii.
Species

It contains the following species:

Lesser ʻakialoa or Hawai'i 'akialoa, Akialoa obscura - extinct (1940)
Greater ʻakialoa - extinct
Oʻahu ʻakialoa, Akialoa ellisiana — extinct (1940, Oahu)
Maui Nui ʻakialoa or Lanaʻi ʻakialoa, Akialoa lanaiensis — extinct (1892, Lana'i)
Kauaʻi ʻakialoa, Akialoa stejnegeri — extinct (1969, Kauai)
Hoopoe-billed ʻakialoa, Akialoa upupirostris — extinct Late Quaternary (prehistoric) (Kaua'i, Oahu)
Akialoa sp. - extinct Late Quaternary (prehistoric) (Maui)
Giant ʻakialoa, Akialoa sp. — extinct Late Quaternary (prehistoric)