East Turkana - Area 131- Okote- FxJj50 (Pleistocene of Kenya)

Where: Kenya (4.1° N, 36.4° E: paleocoordinates 4.0° N, 36.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Okote Member (Koobi Fora Formation), Early/Lower Pleistocene (2.6 - 0.8 Ma)

• Datum plane is Sheet sandstone with section extending from 0 to -3.15 meters below datum plane.

•Maximum age= 1.64+/- 0.03 (Okote Tuff, K/Ar and Ar/Ar dating)

•Minimum age= 1.4 Ma (Chari Tuff, K/Ar and Ar/Ar dating)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; poorly lithified, burrowed, bioturbated, pebbly, conglomeratic sandstone and poorly lithified, sandy mudstone

• Channel fill and overbank deposits of a migrating, south-west flowing shallow channel. Pollen and vertebrate fauna indicates dry grassland, bush, and riverene gallery forest.
• Conglomeratic sandstone and sandy mudstone with lenticular tuffs, sand, and gravel interbeds.

Size class: macrofossils

Collection methods: quarrying, surface (in situ), mechanical, sieve,

• Collecting was biased.

Primary reference: G. L. Isaac. 1997. Koobi Fora Research Project Volume 5 Plio-Pleistocene Archaeology. [A. Behrensmeyer/S. Cote/S. Cote]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 32058: authorized by Anna Behrensmeyer, entered by Suzanne Cote on 03.06.2003, edited by Victoria Egerton

Creative Commons license: CC BY (attribution)

Taxonomic list

• Taxonomic list taken from Isaac (1997) pages 422-423.
Vertebrata indet. Lamarck 1801
 Siluriformes - Clariidae
Clarias sp. Scopoli 1777 catfish
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Aves indet. Linnaeus 1758 bird
 Crocodylia - Crocodylidae
Euthecodon brumpti Joleaud 1920 crocodile
Crocodylus sp. Laurenti 1768 crocodile
 Squamata -
Squamata indet. Oppel 1811 lizard
Mammalia indet. Linnaeus 1758 mammal
 Primates - Cercopithecidae
Papio sp. Erxleben 1777 baboon
 Rodentia - Hystricidae
Hystrix sp. Linnaeus 1758 porcupine
 Perissodactyla - Equidae
Equus cf. tabeti Arambourg 1970 horse
 Artiodactyla - Suidae
Suidae indet. Gray 1821 pig
Metridiochoerus andrewsi Hopwood 1926 pig
 Artiodactyla - Hippopotamidae
Hippopotamidae indet. Gray 1821 hippopotamus
"Hexaprotodon karumensis" = Hippopotamus karumensis Coryndon 1977 hippo
Hippopotamus aethiopicus Coryndon and Coppens 1975 hippo
 Artiodactyla - Giraffidae
Giraffidae indet. Gray 1821 giraffe
Sivatherium maurusium Pomel 1893 giraffe
Giraffa sp. Brisson 1762 giraffe
Giraffa jumae Leakey 1967 giraffe
 Artiodactyla - Bovidae
Bovidae indet. Gray 1821 antelope
several species
Pelorovis sp. Reck 1928 antelope
Antilopini indet. Gray 1821 antelope
Alcelaphini spp. Brookes 1876 antelope
2 species
Aepyceros sp. Sundevall 1847 impala