Also known as Nakwai, Loperot
Where: Rift Valley, Kenya (2.3° N, 35.9° E)
• Paleocoordinates: 4.2° S, 35.2° E (Wright 2013)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Aquitanian (23.0 - 20.4 Ma)
• 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).
• bed-level stratigraphic resolution
Environment/lithology: "floodplain"; siltstone
Size classes: macrofossils, mesofossils
Collected by Benson Kyongo in 1987 and 1992
Collection methods: sieve
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 174664: authorized by Philip Mannion, entered by Philip Mannion on 23.11.2015
Creative Commons license: CC0 (CC0)
Taxonomic list
Mammalia | |
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Mioprionodon hodopeus n. sp.
Mioprionodon hodopeus n. sp. Rasmussen and Gutierrez 2009 civet KNM-NW 46827 - type; referred material: KNM-NW 46915
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Mlanyama sugu n. gen. n. sp.
Mlanyama sugu n. gen. n. sp. Rasmussen and Gutierrez 2009 creodont KNM-NW 46832 - holotype; referred material: KNM-NW 46828, 46824, 46829, 46830, 46831, 46909, 46913 and 46914
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Brachyhyrax oligocenus n. sp., aff. Pachyhyrax sp., Thyrohyrax kenyaensis n. sp., Thyrohyrax microdon n. sp., Meroehyrax kyongoi n. sp.
Brachyhyrax oligocenus n. sp. Rasmussen and Gutierrez 2009 hyrax KNM-NW 22593 - type; referred material: KNM-NW 22559, 22590 and 22597
aff. Pachyhyrax sp. Schlosser 1910 hyrax "new genus and species"; KNM-NW 22548, 22570, 22571, 22577 and 22594A+B
Thyrohyrax kenyaensis n. sp. Rasmussen and Gutierrez 2009 hyrax KNM-NW 22545 - type; referred material: KNM-NW 22546, 22580, 47778 and 47785
Thyrohyrax microdon n. sp. Rasmussen and Gutierrez 2009 hyrax KNM-NW 22526 - type; referred material: KNM-NW 22528 and 22529
Meroehyrax kyongoi n. sp. Rasmussen and Gutierrez 2009 hyrax KNM-NW 2258A - type; referred material: KNM-NW 22547, 22549, 22554, 22556, 22558, 22579, 22586, 22598 and 22600
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