Derhamia hoffmannorum Géry & Zarske, 2002
Géry, J. & A. Zarske 2002. Derhamia hoffmannorum gen. et sp. n. - a new pencil fish (Teleostei, Characiformes, Lebiasinidae), endemic from the Mazaruni River in Guyana. Zool. Abh., Staat. Mus. Tierk. Dresden v. 52: 35-47.