Middle Silts/Gravels mbr. (Pleistocene to of Kenya)

Also known as ETE Locality 1100, Baringo, Kapthurin, Middle Silts/Gravels mbr.,

Where: Kenya (0.5° N, 36.0° E: paleocoordinates 0.5° N, 36.0° E)

When: Middle Silts and Gravels Member (Kapthurin Formation), Middle Pleistocene to Middle Pleistocene (0.8 - 0.0 Ma)

• ETE dating method: composite, ETE age comment: Max age = .78 Ma;Min age = .25 +/- .12 Ma radiometric intage_min

•

•Detailed tephrochronology reports can be found in Blegen et al. 2018 (A new tephrochronology for early diverse stone tool technologies and long-distance raw material transport in the Middle to Late Pleistocene Kapthurin Formation, East Africa, Journal of Human Evolution) supporting Middle–Late Pleistocene age for the Kapthurin Fm.

Environment/lithology: fluvial-lacustrine; siltstone

• ETE sed env 1: fluv_lacustr, ETE sed env 2: . ETE event: ., ETE env comment: fluv gradi>lacustr in NE
• ETE rock type adj: 0, ETE lithology comments: light-br prly-strat slts w/thin grav horiz

Size class: macrofossils

Collection methods: ETE Size: macro; ETE reference list: 921, ; ETE museum list: KNM

Primary reference: M. Pickford. 1988. Geology and fauna of the middle Miocene hominoid site at Muruyur,Baringo District,Kenya. Human Evolution 3(5):381-390 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 22276: authorized by Anna Behrensmeyer, entered by Anna Behrensmeyer on 05.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Tilapia sp.
Actinopteri
 Siluriformes - Clariidae
Clarias sp.
Clarias sp. Scopoli 1777 catfish
Mammalia
  -
Mammalia indet.
Mammalia indet. Linnaeus 1758 mammal
ETE occurrence; species: Carnivora
 Perissodactyla - Rhinocerotidae
Ceratotherium cf. simum
Ceratotherium cf. simum Burchell 1821 white rhinoceros
 Artiodactyla - Suidae
Potamochoerus sp., "Tapinochoerus sp." = Metridiochoerus, Phacochoerus sp., Notochoerus sp., Mesochoerus sp.
Potamochoerus sp. Gray 1854 pig
"Tapinochoerus sp." = Metridiochoerus Hopwood 1926 pig
Phacochoerus sp. Cuvier 1826 warthog
Notochoerus sp. Broom 1925 pig
Mesochoerus sp. Shaw and Cooke 1941 pig
 Artiodactyla - Hippopotamidae
Hippopotamus amphibius
Hippopotamus amphibius Linnaeus 1758 hippo
 Artiodactyla - Bovidae
Tragelaphus sp., Tragelaphus cf. scriptus, Alcelaphus sp., Kobus ellipsiprymnus, Redunca sp., Antidorcas sp., Sylvicapra sp., Cephalophus sp.
Tragelaphus sp. de Blainville 1816 antelope
Tragelaphus cf. scriptus Pallas 1766 bushbuck
Alcelaphus sp. Blainville 1816 hartebeest
Kobus ellipsiprymnus Ogilby 1833 waterbuck
Redunca sp. Smith 1827 reedbuck
Antidorcas sp. Sundevall 1847 springbok
Sylvicapra sp. Ogilby 1837 duiker
Cephalophus sp. Smith 1827 duiker
 Rodentia - Thryonomyidae
Thryonomys sp.
Thryonomys sp. Fitzinger 1867 cane rat
 Rodentia - Muridae
Rattus cf. rattus
Rattus cf. rattus Linnaeus 1758 black rat
 Primates - Hominidae
Homo sp., Homo aff. erectus
Homo sp. Linnaeus 1758 human
Homo aff. erectus Dubois 1892 human
ETE number of identifiable specimens; species: mak - species name from unique name
 Primates - Cercopithecidae
Colobus sp., Papio anubis, "Cercopithecus cf. aethiops" = Chlorocebus aethiops
Colobus sp. Illiger 1811 monkey
Papio anubis Cuvier 1824 olive baboon
"Cercopithecus cf. aethiops" = Chlorocebus aethiops Linnaeus 1758 vervet monkey
 Hyracoidea - Procaviidae
Heterohyrax sp.
Heterohyrax sp. Gray 1868 rock hyrax
 Proboscidea - Elephantidae
Loxodonta sp.
Loxodonta sp. Cuvier 1825 African elephant
 Tubulidentata - Orycteropodidae
Orycteropus sp.
Orycteropus sp. Geoffroy 1791 aardvark
Reptilia
 Crocodylia - Crocodylidae
Crocodylus sp.
Crocodylus sp. Laurenti 1768 crocodile
Gastropoda
 Cerithioidea - Thiaridae
Melanoides sp.
Melanoides sp. Olivier 1804 snail
Oenomys
  -
Oenomys sp.
Oenomys sp. Thomas 1904