Template:Clausen, 1966
- Clausen, H.S. 1966: Definition of a new cyprinodont genus and description of a "new" but well-known West African cyprinodont, with a clarification of the terms "sjöstedti", Aphyosemion sjöstedti (Lönnberg), and Aphyosemion coeruleum (Boulenger). Revue de Zoologie et de Botanique Africaines, 74(3-4): 331–341.