Kramer, B., van der Bank, F. Herman & Wink, M. Marcusenius desertus sp. nov. (Teleostei: Mormyridae), a mormyrid fish from the Namib desert. African Journal of Aquatic Science 1 - 18 (2016). doi:10.2989/16085914.2015.1137855

Kramer, B., van der Bank, F. Herman, Flint, N., Sauer-Gürth, H. & Wink, M. Evidence for parapatric speciation in the mormyrid fish, Pollimyrus castelnaui (Boulenger, 1911) from the Okavango-Upper Zambezi River systems: P. marianne sp. nov., defined by electric organ discharges, morphology and genetics. Environmental Biology of Fishes 67, 47 - 70 (2003).

Kramer, B., Skelton, P., van der Bank, F. Herman & Wink, M. Allopatric differentiation in the Marcusenius macrolepidotus species complex in southern and eastern Africa: the resurrection of M. pongolensis and M. angolensis, and the description of two new species (Mormyridae, Teleostei). Journal of Natural History 41, 647-708 (2007).

Kramer, B., van der Bank, F. Herman & Wink, M. Hippopotamyrus ansorgii species complex in the Upper Zambezi River System with a description of a new species, H. szaboi (Mormyridae). Zoologica Scripta 33, 1 - 18 (2004).

Kramer, B., Bills, R., Skelton, P. & Wink, M. A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species. Journal of Natural History 46, 2179?2258 (2012).

Kramer, B. & Wink, M. East?west differentiation in the Marcusenius macrolepidotus species complex in Southern Africa: the description of a new species for the lower Cunene River, Namibia (Teleostei: Mormyridae). Journal of Natural History 47, 2327 - 2362 (2013).

Kramer, B., van der Bank, F. Herman & Wink, M. Marked differentiation in a new species of dwarf stonebasher, Pollimyrus cuandoensis sp. nov. (Mormyridae: Teleostei), from a contact zone with two sibling species of the Okavango and Zambezi rivers. Journal of Natural History 1 - 35 (2014). doi:10.1080/00222933.2013.807950