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Kenya Project

Fish fossils from Miocene palaeolakes in the Central Kenya Rift
and their palaeoenvironmental Implications


The fossil record represents a very important source of direct information for the understanding of the evolutionary history of organisms. However, with regard to the ancestors of the approximately 3000 species that make up the modern fish fauna in African freshwater habitats, the known fossil record is poor. Even from the most recent epochs, i.e. the Miocene, Pliocene and Pleistocene, only about 60 fossil taxa are known.

The Miocene sediments in the Tugen Hills (Baringo, Kenya) provide the unique opportunity to collect well-preserved fish fossils. The goals of the Kenya project are (i) to explore these fossiliferous archives, (ii) to analyse the newly collected fish fossils, together with other co-occurring fossils and sedimentological data, and (iii) to make use of the findings for palaeoenvironmental and palaeoclimate reconstructions. During two field campaigns in 2013 and 2014 we have assembled about 650 articulated fish fossils together with samples for palynological and sedimentological analyses from the middle and upper Miocene Ngorora Formation and the upper Miocene Lukeino Formation. The current aim is to identify the fish fossils from the different sites and to present them in a phlyogenetic context.

  • Altner, M., Schliewen, U., Penk, S.B.R., Reichenbacher, B. (In press.). †Tugenchromis pickfordi gen. et sp. nov. from the upper Miocene – a stem-group cichlid of the ‘East African Radiation’. Journal of Vertebrate Paleontology, 37(2).

  • Rasmussen, C., Reichenbacher, B., Lenz, O., Altner, M., Penk, S.B.R., Prieto, J., Brüsch, D. (2017). Middle–late Miocene palaeoenvironments, palynological data and a fossil fish Lagerstätte from the Central Kenya Rift (East Africa). Geological Magazine, 154 (1), 24–56. DOI 10.1017/S0016756815000849

  • Altner, M. & Reichenbacher, B. (2015). †Kenyaichthyidae fam. nov. and †Kenyaichthys gen. nov. – First Record of a Fossil Aplocheiloid Killifish (Teleostei, Cyprinodontiformes). PLoS ONE 10(4):e0123056. doi:10.1371/journal.pone.0123056.


Text and Layout: B. Reichenbacher

Last update: March, 2017