Authors(s)	Saether, O.A. and Halvorsen, G.A.
Year	1981a
Title	Diagnoses of Tvetenia Kieff. emend., Dratnalia n.gen., and Eukiefferiella Thien. emend., with a phylogeny of the Cardiocladius group (Diptera: Chironomidae). Entomologica scandinavica Supplement 15: 269-285.

• Dratnalia
• Tvetenia