Peninj-Middle Zone: Calabrian, Tanzania

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Gabbia cf. subadiella
ETE occurrence; species: mak - name shift
Reptilia
Crocodylus sp. Laurenti 1768
Mammalia - Proboscidea - Elephantidae
Elephas cf. recki Dietrich 1915
recombined as Palaeoloxodon recki
Mammalia - Perissodactyla - Equidae
Equus sp. Linnaeus 1758
Mammalia - Perissodactyla - Rhinocerotidae
Ceratotherium simum (Burchell 1821)
Mammalia - Hippopotamidae
Hippopotamus cf. gorgops Dietrich 1928
Mammalia - Giraffidae
Giraffa cf. pygmaea Harris 1976
Mammalia - Bovidae
Alcelaphini indet. Brookes 1876
ETE occurrence; species: Alcelaphini
Megalotragus kattwinkeli (Scwarz 1932)
original and current combination Alcelaphus kattwinkeli
Connochaetes taurinus (Burchell 1823)
ETE occurrence; species: 7 prognu
Parmularius angusticornis (Schwarz 1937)
Damaliscus niro (Hopwood 1936)
original and current combination Hippotragus niro
Pelorovis sp. Reck 1928
Tragelaphus cf. strepsiceros (Pallas 1766)
ETE occurrence; species: grandis; originally entered as "Tragelaphus cf. strepciceros"
Mammalia - Sivatheridae
Sivatherium maurusium (Pomel 1893)
original and current combination Libytherium maurusium
see common names

Geography
Country:Tanzania State/province:Lake Natron Basin
Coordinates: 2.3° South, 36.0° East (view map)
Paleocoordinates:2.4° South, 35.9° East
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
*International age/stage:Gelasian - Calabrian
Key time interval:Calabrian
Age range of interval:1.80600 - 0.78100 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Peninj Formation:Humbu Member:Middle Zone
Stratigraphy comments: ETE dating method: absolute, ETE age comment: Was-Mbugu olivine basalt smpls(1964&1969 Isaac) radiometric intage_max, radiometric intage_min
Was originally under Hubu Formation. Base of formation is about ~1.75Ma, the Main Tuff is ~1.19+/-0.03Ma. The top of the Peninj Group is about 1.01+/-0.03Ma, therefore, the upper dsands are ~1.2-1.1Ma (Deino et al. 2006)
Lithology and environment
Primary lithology: tuff
Lithology description: ETE rock type adj: 0, ETE lithology comments: "Basalt tuff,orge&gry-brwn"
Environment:lacustrine indet.
Geology comments: ETE sed env 1: lacustrine, ETE sed env 2: . ETE event: ., ETE env comment: Lam. tuff&limstne
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ)
Collection size:15 specimens
Reason for describing collection:taxonomic analysis
Collection method comments: ETE Size: both; ETE reference list: 975, ; ETE museum list:
Metadata
Also known as:ETE Locality 1391, Peninj-Middle Zone,
Database number:22552
Authorizer:A. Behrensmeyer Enterer:A. Behrensmeyer, J. Damuth
Modifier:G. Varnham Research group:vertebrate
Created:2000-04-13 01:00:00 Last modified:2022-03-29 04:26:40
Access level:the public Released:2000-04-13 01:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

5636.ETE 1387G. Isaac. 1965. The stratigraphy of the Peninj beds and the provenance of the Natron australopithecine mandible. Quaternaria 7:101-130 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik]