Fort Ternan (Miocene of Kenya)

Also known as ETE Locality 139, Fort Ternan,

Where: Central Nyanza, Kenya (0.2° S, 35.3° E: paleocoordinates 1.0° S, 33.9° E)

When: Fort Ternan "B" Beds Member (Upper Koru Series Formation), Serravallian (13.8 - 11.6 Ma)

• ETE dating method: absolute, ETE age comment: MinBFA - 13.9 +/- 0.03 - stepwised degassing isochron methodMaxBFA - 14.0 +/- 0.02 - total fusion method;both on biotite radiometric intage_min

•bed: Soil #1/ Soil #2

Environment/lithology: terrestrial; siltstone

• ETE sed env 1: volcanic, ETE sed env 2: paleosol ETE event: ., ETE env comment: small-scale channel cuts through paleosols
• ETE rock type adj: tuffaceous, ETE lithology comments: .

Collection methods: quarrying

• ETE Size: both; ETE reference list: 6, ; ETE museum list: KNM

Primary reference: W. W. Bishop, J. A. Miller, and F.J. Fitch. 1969. New Potassium-Argon Age Determinations Relevant to the Miocene Fossil Mammal Sequence in East Africa. American Journal of Science 267:669-699 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 21340: authorized by Anna Behrensmeyer, entered by Anna Behrensmeyer on 11.06.1991, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Caprotragoides potwaricus
ETE minimum number of individuals; species: =to Pseudotragus
Afrocricetodontidae indet.
ETE minimum number of individuals; species: afrocricetodontid
Aves
 Struthioniformes - Struthionidae
Struthio sp. Linnaeus 1758 ostrich
 Accipitriformes - Accipitridae
Accipitridae indet. Viellot 1816 hawk
ETE minimum number of individuals; species: Accipitridae
Reptilia
 Crocodylia - Crocodylidae
Crocodylus sp. Laurenti 1768 crocodile
 Squamata - Chamaeleonidae
Chameleontidae indet. Gray 1825 chameleon
ETE minimum number of individuals; species: Chameleontidae
Mammalia
 Primates - Hominidae
"Ramapithecus wickeri" = Sivapithecus, Limnopithecus legetet
"Ramapithecus wickeri" = Sivapithecus ape
Limnopithecus legetet Hopwood 1933 ape
 Primates - Proconsulidae
Proconsul cf. africanus Hopwood 1933 ape
Proconsul cf. nyanzae Le Gros Clark and Leakey 1950 ape
 Primates - Lorisidae
Lorisidae indet. Gray 1821 loris
ETE minimum number of individuals; species: Lorisini
 Rodentia - Muridae
Myocricetodontinae "indet.-sm." Lavocat 1961 mouse
ETE minimum number of individuals; species: myocricetodontid-sm.
Myocricetodontinae "indet.-lg." Lavocat 1961 mouse
ETE minimum number of individuals; species: myocricetodontid-lg.
 Rodentia - Cricetidae
 Rodentia - Sciuridae
Sciuridae indet. Gray 1821 squirrel
ETE minimum number of individuals; species: Sciuridae
 Rodentia - Pedetidae
Megapedetes sp. MacInnes 1957 springhare
 Rodentia - Anomaluridae
Anomaluridae indet. Gill 1872 scaly-tailed squirrel
ETE minimum number of individuals; species: Anomaluridae
 Rodentia - Bathyergidae
Bathyergidae indet. Waterhouse 1841 mole rat
ETE minimum number of individuals; species: Bathygeridae
 Rodentia -
Diamantomys sp. Stromer 1922 rodent
 Rodentia - Thryonomyidae
Paraphiomys pigotti Andrews 1914 cane rat
 Lipotyphla - Erinaceidae
Amphechinus sp. Aymard 1850 hedgehog
 Perissodactyla - Rhinocerotidae
 Chiroptera -
Chiroptera indet. Blumenbach 1779 bat
ETE minimum number of individuals; species: Chiroptera
 Carnivora - Percrocutidae
Percrocuta sp. Kretzoi 1938 carnivoran
 Carnivora - Amphicyonidae
Amphicyonidae "indet.-large" Haeckel 1886 bear-dog
ETE minimum number of individuals; species: amphicyonid-large
Amphicyonidae "indet.-small" Haeckel 1886 bear-dog
ETE minimum number of individuals; species: amphicyonid-small
 Carnivora - Viverridae
Genetta sp. Cuvier 1816 civet
 Tubulidentata - Orycteropodidae
Orycteropus sp. Geoffroy 1791 aardvark
Myorycteropus sp. MacInnes 1955 aardvark
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet. Hay 1922 gomphothere
ETE occurrence; species: Gomphotheriidae
 Proboscidea - Deinotheriidae
Deinotherium sp. Kaup 1825 deinothere
 Macroscelidea - Macroscelididae
Macroscelididae indet. Bonaparte 1838 elephant shrew
ETE minimum number of individuals; species: Macroscelididae
Myohyrax sp. Andrews 1914 elephant shrew
cf. Rhynchocyon sp. Peters 1847 elephant shrew
 Ungulata - Suidae
 Ungulata - Hippopotamidae
Kenyapotamus ternani n. gen. n. sp.
Kenyapotamus ternani n. gen. n. sp. Pickford 1983 hippopotamus
 Ungulata - Tragulidae
Dorcatherium chappuisi Arambourg 1933 chevrotain
"Dorcatherium parvum" = Afrotragulus parvus Whitworth 1958 chevrotain
 Ungulata - Giraffidae
"Palaeotragus primaevus" = Giraffokeryx primaevus, Samotherium africanum
"Palaeotragus primaevus" = Giraffokeryx primaevus Churcher 1970 giraffe
 Ungulata - Bovidae
Eotragus sp. Pilgrim 1939 antelope
Gazella sp. Blaineville 1816 gazelle
"Kipsigicerus labidotus" = Protragocerus labidotus Gentry 1970 antelope
 Ungulata -
Walangania africanus Whitworth 1958 ruminant
 Hyaenodonta -
Dissopsalis sp. Pilgrim 1910 eutherian
 Hyaenodonta - Hyainailouridae
Megistotherium osteothlastes Savage 1973 eutherian
originally entered as "Megistotherium osteothalastes"