Also known as FxJj 20 D

Where: Kenya (4.2° N, 36.4° E: paleocoordinates 4.1° N, 36.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

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

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

•Datum plane is the Conglomeratic sandstone with section extending -12.2 meters below datum plane.

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-deltaic; poorly lithified, burrowed, bioturbated, pebbly, sandy, calcareous mudstone

Size class: macrofossils

Collection methods: quarrying, surface (float), mechanical,

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

Purpose of describing collection: taphonomic analysis

PaleoDB collection 32089: authorized by Kay Behrensmeyer, entered by Suzanne Cote on 04.06.2003