Caenaugochlora

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: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Hymenopterida
Ordo: Hymenoptera
Subordo: Apocrita
Superfamilia: Apoidea

Familia: Halictidae
Subfamilia: Halictinae
Tribus: Augochlorini
Genus: Caenaugochlora
Subgenera: C. (Caenaugochlora) – C. (Ctenaugochlora)

[subgenera after Gonçalves & Engel (2010)]
Overview of species (19)

C. aequilanx – C. algeri – C. amatitlana – C. beethoveni – C. chaetops – C. costaricensis – C. cupriventris – C. donnae – C. elisabethae – C. flagrans – C. fulgur – C. gemmella – C. inermis – C. jeffreyi – C. macswaini – C. perpectinata – C. silvicola – C. tonsilis – C. wilmattae

[Source: Catalogue of Life: 2014 Annual Checklist]

Add (2): C. elpidia – C. pantochlora

Check (4): C. bennetti – C. cyanella – C. quichua – C. perviridis
References

Gonçalves, R.B.; Engel, M.S. 2010: The bee genus Caenaugochlora (Hymenoptera, Apoidea) and its constituent subgenera, with new species of Caenaugochlora s.str. from Ecuador. ZooKeys 37: 69–80. DOI: 10.3897/zookeys.37.366 Reference page.