Benson's Site: Aquitanian, Kenya
collected by Benson Kyongo 1987 1992

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Primates
Kamoyapithecus hamiltoni (Madden 1980)
KNM-NW (2007-collection)
Mammalia - Rodentia
Diamantomys timius Rasmussen and Gutierrez 2009
KNM-NW (2007-collection)
cf. Phiomys sp. Osborn 1908
KNM-NW (2007-collection)
Mammalia - Creodonta
Mlanyama sugu n. gen., n. sp. Rasmussen and Gutierrez 2009
KNM-NW 46832 - holotype; referred material: KNM-NW 46828, 46824, 46829, 46830, 46831, 46909, 46913 and 46914
Mammalia - Carnivora - Viverridae
Mioprionodon hodopeus n. sp. Rasmussen and Gutierrez 2009
KNM-NW 46827 - type; referred material: KNM-NW 46915
Mammalia - Anthracotheriidae
Brachyodus sp. Depéret 1895
KNM-NW (2007-collection)
Mammalia - Hyracoidea - Pliohyracidae
aff. Pachyhyrax sp. Schlosser 1910
"new genus and species"; KNM-NW 22548, 22570, 22571, 22577 and 22594A+B
Brachyhyrax oligocenus n. sp. Rasmussen and Gutierrez 2009
KNM-NW 22593 - type; referred material: KNM-NW 22559, 22590 and 22597
Thyrohyrax kenyaensis n. sp. Rasmussen and Gutierrez 2009
KNM-NW 22545 - type; referred material: KNM-NW 22546, 22580, 47778 and 47785
Thyrohyrax microdon n. sp. Rasmussen and Gutierrez 2009
KNM-NW 22526 - type; referred material: KNM-NW 22528 and 22529
Meroehyrax kyongoi n. sp. Rasmussen and Gutierrez 2009
KNM-NW 2258A - type; referred material: KNM-NW 22547, 22549, 22554, 22556, 22558, 22579, 22586, 22598 and 22600
Mammalia - Hyracoidea - Titanohyracidae
Afrohyrax informal n. sp.
KNM-NW 47775 and 47784
Mammalia - Proboscidea - Deinotheriidae
Prodeinotherium sp. Ehik 1930
KNM-NW (2008-collection)
Mammalia - Proboscidea - Mammutidae
Losodokodon losodokius Rasmussen and Gutierrez 2009
KNM-NW (2008-collection)
see common names

Geography
Country:Kenya State/province:Rift Valley
Coordinates: 2.3° North, 35.9° East (view map)
Paleocoordinates:0.7° North, 33.0° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
Stage:Aquitanian 10 m.y. bin:Cenozoic 5
Key time interval:Aquitanian
Age range of interval:23.03000 - 20.44000 m.y. ago
Age estimate:22 Ma (other)
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: Originally interpreted as late Oligocene in age, based on biostratigraphic correlation of its mammalian fauna (Rasmussen and Gutierrez, 2009). More recently, the site was radiometrically dated to approximately 22 Ma (earliest Miocene) by Rasmussen et al. (2019).
Lithology and environment
Primary lithology: siltstone
Includes fossils?Y
Environment:"floodplain"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:sieve
Reason for describing collection:taxonomic analysis
Collectors:Benson Kyongo Collection dates:1987 and 1992
Metadata
Also known as:Nakwai, Loperot
Database number:174664
Authorizer:P. Mannion Enterer:P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2015-11-23 06:04:27 Last modified:2020-09-04 04:59:47
Access level:the public Released:2015-11-23 06:04:27
Creative Commons license:CC BY
Reference information

Primary reference:
57046. D. T. Rasmussen and M. Gutierrez. 2009. A Mammalian Fauna from the Late Oligocene of Northwestern Kenya. Palaeontographica Abteilung A 288(1-3):1-52 [P. Mannion/P. Mannion]

Secondary references:

73749 S. G. Mattingly, K. C. Beard, P. M. C. Coster, M. J. Salem, Y. Chaimanee and J.-J. Jaegar. 2020. A new carnivoraform from the early Oligocene of Libya: Oldest known record of Carnivoramorpha in Africa. Journal of African Earth Sciences 172:103994 [P. Mannion/P. Mannion/P. Mannion]
68129 D. T. Rasmussen, A. R. Friscia, M. Gutierrez, J. Kappelman, E. R. Miller, S. Muteti, D. Reynoso, J.B. Rossie, T. L. Spell, N. J. Tabor, E. Gierlowski-Kordesch, B. F. Jacobs, B. Kyongo, M. Macharwas, and F. Muchemi. 2019. Primitive Old World monkey from the earliest Miocene of Kenya and the evolution of cercopithecoid bilophodonty. Proceedings of the National Academy of Sciences 116(13):6051-6056 [P. Holroyd/P. Holroyd/P. Mannion]