Also known as Kay Behrensmeyer Site, KBS
Where: Kenya (4.1° N, 36.3° E: paleocoordinates 4.0° N, 36.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: KBS Member (Koobi Fora Formation), Gelasian to Gelasian (2.6 - 0.8 Ma)
• Minimum age= 1.64+/- 0.03 Ma (Base of Okote Tuff- K/Ar and Ar/Ar dating)
•Maximum age= 1.88 Ma (KBS Tuff, K/Ar and Ar/Ar dating)
•Artifacts and fauna are stratified within the KBS tuff; stone tools of KBS industry. Australopithecus specimens from a higher level than the archaeological assemblage.
• bed-level stratigraphic resolution
Environment/lithology: fluvial-deltaic; poorly lithified, bioturbated, tuffaceous, volcaniclastic, gray siltstone and poorly lithified, volcaniclastic sandstone
Size class: macrofossils
Preservation: mold/impression, replaced with calcite
Collection methods: quarrying, surface (float), surface (in situ), mechanical, sieve,
• Archaeological protocols of G. L. Isaac were followed in excavation and surface collection.
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 32051: authorized by Anna Behrensmeyer, entered by Suzanne Cote on 03.06.2003, edited by Denne Reed
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
cf. Ficus indet. Linnaeus 1753 fig | |
unclassified | |
| |
Mammalia | |
| |
Proboscidea indet. proboscidean | |
"Canis mesomelas" = Lupulella mesomelas
"Canis mesomelas" = Lupulella mesomelas Schreber 1775 black-backed jackal | |
Bovidae indet., Alcelaphini indet., Megalotragus isaaci, Aepyceros sp., Antilopini indet., Reduncini indet., Kobus ellipsiprymnus
Megalotragus isaaci antelope
Aepyceros sp. Sundevall 1847 impala
Reduncini indet. Knottnerus-Meyer 1907 antelope
Kobus ellipsiprymnus Ogilby 1833 waterbuck | |
Giraffa sp. Brisson 1762 giraffe
Giraffa jumae Leakey 1967 giraffe | |
Hippopotamidae indet., "Hexaprotodon karumensis" = Hippopotamus karumensis
Hippopotamidae indet. Gray 1821 hippopotamus
"Hexaprotodon karumensis" = Hippopotamus karumensis Coryndon 1977 hippo | |
Suidae indet. Gray 1821 pig
Kolpochoerus cf. limnetes Hopwood 1926 pig
Metridiochoerus andrewsi Hopwood 1926 pig | |
Hystrix sp. Linnaeus 1758 porcupine | |
Reptilia | |
Crocodylus sp. Laurenti 1768 crocodile
Euthecodon sp. Fortau 1920 crocodile | |
Actinopteri | |
Synodontis sp. Cuvier 1816 upside down catfish | |
Clarias sp. Scopoli 1777 catfish | |
Cladistia | |
Polypterus sp. Lacépède 1803 bichir |