Equatorius africanus



Equatorius africanus ist eine Primatenart, die ab dem Neogen (Miozän) im Langhium lebte, das vor rund 16 Millionen Jahren begann und bis vor 13,8 Millionen Jahren andauerte.

Systematik

Daten zu den einzelnen Funden von Equatorius africanus
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Kaloma 473-4km north of Maboko Island sites, on mainland Langhian
zwischen 13.82 und 15.97 Millionen Jahren
Maboko ETE Locality 137, Kaloma, Kaloma Hill,
Kommentar z. Stratigraphie Lithographie
ETE dating method: composite, ETE age comment: equivalent in age to Maboko sites (14-16 Ma); overlying Kisumu Phonolite dated by K/Ar at 12.3 +/- 0.02 My radiometric intage_min ETE rock type adj: ., ETE lithology comments: .
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Majiwa about 2km north of Maboko Island sites, on main- land Langhian
zwischen 13.82 und 15.97 Millionen Jahren
Maboko ETE Locality 138, Majiwa, Majiwa Bluff,
Kommentar z. Stratigraphie Lithographie
ETE dating method: composite, ETE age comment: equivalent in age to Maboko sites (14-16 Ma); overlying Kisumu Phonolite dated by K/Ar at 12.3 +/- 0.02 My radiometric intage_min ETE rock type adj: ., ETE lithology comments: silty conglomerates
U.a. am Fundort ausgegraben: Victoriapithecus macinnesi
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Maboko Island - ?Maboko fm. "Island in Winam Gulf, L. Victoria." Langhian
zwischen 13.82 und 15.97 Millionen Jahren
Maboko ETE Locality 891, Kiboko, Maboko Island - ?Maboko fm.,
Kommentar z. Stratigraphie Lithographie
ETE dating method: composite, ETE age comment: Min age = 13.8 +/- .04 Ma (Bed 8 Tuff). Max age = ~17 Ma (based on biostratigraphy) radiometric intage_min ETE rock type adj: ., ETE lithology comments: "massive muds, silts, calcretes, altered and unaltered tuffs"
U.a. am Fundort ausgegraben: Victoriapithecus macinnesi
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Majiwa Majiwa bluffs are on the mainland N of Maboko Is. Langhian
zwischen 13.82 und 15.97 Millionen Jahren
Maboko ETE Locality 892, Majiwa,
Kommentar z. Stratigraphie Lithographie
ETE dating method: composite, ETE age comment: Max age = ~17 Ma based on biostratigraphy. Min age = 11.8 +/- 1.0 my (K/Ar date on Majiwa phonolite) radiometric intage_min ETE rock type adj: ., ETE lithology comments: "silts, calcretes, and silty conglomerates"
U.a. am Fundort ausgegraben: Victoriapithecus macinnesi
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Maboko Main Locality, Maboko Island (Bed 3) "Island in Winam Gulf, L. Victoria." Langhian
zwischen 13.82 und 15.97 Millionen Jahren
Maboko ETE Locality 899, Quarry 1, Kiboko, Maboko Island - Bed 3
Kommentar z. Stratigraphie Lithographie
ETE dating method: composite, ETE age comment: Min age = 14.71 +/- .16 Ma (Bed 8 Tuff). Max age = ~17 Ma (based on biostratigraphy). radiometric intage_min greenish-yellow sandy clay underlain by mottled brown and white bentonite
U.a. am Fundort ausgegraben: Victoriapithecus macinnesi
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Maboko Island - Maboko fm. "Island in Winam Gulf, L. Victoria." Langhian
zwischen 13.82 und 15.97 Millionen Jahren
Maboko ETE Locality 903, Kiboko, Maboko Island - Maboko fm.,
Kommentar z. Stratigraphie Lithographie
ETE dating method: composite, ETE age comment: Min age = 13.8 +/- .04 Ma (Bed 8 Tuff). Max age = ~17 Ma (based on biostratigraphy) radiometric intage_min ETE rock type adj: ., ETE lithology comments: "massive muds and silts, calcretes, altered and unaltered tuffs"
U.a. am Fundort ausgegraben: Victoriapithecus macinnesi
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Maboko Island - Maboko fm. "Island in Winam Gulf, L. Victoria." Langhian
zwischen 13.82 und 15.97 Millionen Jahren
Maboko ETE Locality 903, Kiboko, Maboko Island - Maboko fm.,
Kommentar z. Stratigraphie Lithographie
ETE dating method: composite, ETE age comment: Min age = 13.8 +/- .04 Ma (Bed 8 Tuff). Max age = ~17 Ma (based on biostratigraphy) radiometric intage_min ETE rock type adj: ., ETE lithology comments: "massive muds and silts, calcretes, altered and unaltered tuffs"
U.a. am Fundort ausgegraben: Victoriapithecus macinnesi
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
BPRP K122 "lat/lg fr typ sec Muruyur,2.4kmE Bartabwa villg" Serravallian
zwischen 11.62 und 15.97 Millionen Jahren
Muruyur ETE Locality 1128, Baringo, #122, Kipsaramon
Kommentar z. Stratigraphie Lithographie
ETE dating method: absolute, ETE age comment: Max age = 13-15 Ma ; Min age = 12.4 +/- .5 Ma radiometric intage_max, radiometric intage_min originally entered as Tiim Formation; Muruyur Formation according to Ward et al. 1999 ETE rock type adj: tuffaceous, ETE lithology comments: lower=tff/conglome/cly;upper=tff/grits
Sammlung Epoche, Alter Kommentar zur Sammlung
Ombo Serravallian
zwischen 11.61 und 15.97 Millionen Jahren
ETE Locality 542, Ombo,
Kommentar z. Stratigraphie Lithographie
ETE dating method: time_unit, ETE age comment: 0 13.1 Ma according to Bishop et al. 1969 ETE rock type adj: 0, ETE lithology comments: 0

Literatur

P. Andrews, G. E. Meyer, D. R. Pilbeam, J. A. Van Couvering, J. A. H. Van Couvering 1981, The Miocene fossil beds of Maboko Island, Kenya: Geology, age, taphonomy, and palaeontology. Journal of Human Evolution. 10, p. 35 - 48, DOI: 10.1016/S0047-2484(81)80024-3
M. Pickford, G. E. Meyer, D. R. Pilbeam, J. A. Van Couvering, J. A. H. Van Couvering 1982, New Higher Primate Fossils from the Middle Miocene Deposits at Majiwa and Kaloma, Western Kenya. American Journal of Physical Anthropology. 58, p. 1 - 19, DOI: 10.1016/S0047-2484(81)80024-3
M. L. McCrossin, G. E. Meyer, D. R. Pilbeam, J. A. Van Couvering, J. A. H. Van Couvering 1992, New species of bushbaby from the Middle Miocene of Maboko Island, Kenya. American Journal of Physical Anthropology. 89, p. 215 - 233, DOI: 10.1016/S0047-2484(81)80024-3
M. Pickford, G. E. Meyer, D. R. Pilbeam, J. A. Van Couvering, J. A. H. Van Couvering 1992, Evidence for an arid climate in western Uganda during the middle Miocene. Comptes Rendus Acad. des Sci.,serie II. 315:11, p. 1419 - 1424, DOI: 10.1016/S0047-2484(81)80024-3
A. Hill, G. E. Meyer, D. R. Pilbeam, J. A. Van Couvering, J. A. H. Van Couvering 1995, Faunal and environmental change in the Neogene of East Africa;evidence from the Tugen Hills Sequence,Baringo District,Kenya. Paleoclimate evolution witphasis on human origins,E.Vrba,Yale University Press. :11, p. 178 - 193, DOI: 10.1016/S0047-2484(81)80024-3
A. J. Winkler, G. E. Meyer, D. R. Pilbeam, J. A. Van Couvering, J. A. H. Van Couvering 1997, Systematics, Paleobiogeography, and Paleoenvironmental Significance of Rodents from the Ibole Member, Manonga Valley, Tanzania. Neogene Paleontology of the Manonga Valley, Tanzania. Plenum Press, New York and London. :11, p. 311 - 332, DOI: 10.1016/S0047-2484(81)80024-3
S. Ward, B. Brown, A. Hill, J. Kelley, W. Downs 1999, Equatorius: a new hominoid genus from the Middle Miocene of Kenya. Science. 285:11, p. 1382 - 1386, DOI: 10.1016/S0047-2484(81)80024-3