†Limnopithecus legetet (Hominidae)
Limnopithecus legetet ist eine Primatenart innerhalb der Familie Hominidae, die ab dem Neogen (Miozän) im Burdigalium lebte, das vor rund 20,4 Millionen Jahren begann und bis vor 16 Millionen Jahren andauerte.
Fundorte
Die Funddaten, die Systematik sowie die unten folgende Literatursammlung stammen aus der Paleobiology Database, Lizenz
Daten zu den einzelnen Funden von Limnopithecus legetet
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|---|
| Fort Ternan | Wicker's Farm, 2km south of Fort Ternan | Serravallian zwischen 11.62 und 13.82 Millionen Jahren |
Upper Koru Series | ETE Locality 139, Fort Ternan, |
| Kommentar z. Stratigraphie | Lithographie | |||
| 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 | ETE rock type adj: tuffaceous, ETE lithology comments: . | |||
| U.a. am Fundort ausgegraben: | Proconsul africanus | |||
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|---|
| Maboko Island - surface | "Island in Winam Gulf, L. Victoria." | Langhian zwischen 13.82 und 15.97 Millionen Jahren |
Maboko | ETE Locality 890, Kiboko, Maboko Island - surface, |
| 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 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 |
|---|---|---|---|---|
| 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 - Quarry 2 | "Island in Winam Gulf, L. Victoria." | Langhian zwischen 13.82 und 15.97 Millionen Jahren |
Maboko | ETE Locality 902, Maboko Island - Quarry 2, |
| 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: pebbly mudstones with matrix-supported pebbles which have been altered to clay | |||
| U.a. am Fundort ausgegraben: | Victoriapithecus macinnesi | |||
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Kommentar zur Sammlung |
|---|---|---|---|
| Bukwa II | on the lower northeastern slopes of Mount Elgon (34°47.085′, 1°17.098′), approximately 2.25 miles east of the town of Bukwa, Uganda | Burdigalian zwischen 15.97 und 20.44 Millionen Jahren |
BUKII |
| Kommentar z. Stratigraphie | Lithographie | Kommentar z. Taxonomie | |
| revised age estimate for the Bukwa localities of 19.1–19.5 Ma (MacLatchy et al., 2006 MacLatchy, L., A. Deino, and J. Kingston. 2006. An updated chronology for the early Miocene of NE Uganda. Journal of Vertebrate Paleontology 26(3, Supplement):93A. Cote et al. 2018: 40Ar/39Ar incremental heating ages on lavas bracketing the site indicate that the Bukwa fossils were deposited ~19 Ma, roughly 3 Ma younger than the original radiometric age. | green ostracod clay unit within the larger lacustrine tuff and silt beds produces fish fossils | plants, ostracods reported present |
Literatur
A. Walker 1969, Fossil Mammal Locality on Mount Elgon, Eastern Uganda. Nature. 223, p. 591 - 593W. W. Bishop, J. A. Miller, F.J. Fitch 1969, New Potassium-Argon Age Determinations Relevant to the Miocene Fossil Mammal Sequence in East Africa. American Journal of Science. 267, p. 669 - 699
B. R. Benefit, M. L. McCrossin, F.J. Fitch 1989, New primate fossils from the Middle Miocene of Maboko Island, Kenya. Journal of Human Evolution. 18, p. 493 - 497
C. S. Feibel, F. H. Brown, F.J. Fitch 1991, Age of the primate-bearing deposits on Maboko Island, Kenya. Journal of Human Evolution. 21, p. 221 - 225
M. Pickford, F. H. Brown, F.J. Fitch 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
M. L. McCrossin, F. H. Brown, F.J. Fitch 1992, New species of bushbaby from the Middle Miocene of Maboko Island, Kenya. American Journal of Physical Anthropology. 89:11, p. 215 - 233