Australopithecus anamensis
Dublin Core
Title
Australopithecus anamensis
Fossil Item Type Metadata
Type Specimen
KNM - KP 29281
Location (Country)
Kenya
Site (Name)
47 specimens found at Kanapoi
31 specimens found at Allia Bay
31 specimens found at Allia Bay
Discovery Date
The first Au. anamensis specimen, a left distal humerus, was found in 1965 by Bryan Patterson.
Meave Leakey's party discovered the Au. anamensis type specimen in 1994.
Meave Leakey's party discovered the Au. anamensis type specimen in 1994.
Specimen/Species Time Range
Patterson's specimen - between 3.5 - 4.1 million years. Leakey's specimens h- ~ 4.2 million years.
Additional specimens from Allia Bay - ca. 3.9,million years.
Therefore, the time range given to this species is from 4.2 - 3.8 million years ago.
Additional specimens from Allia Bay - ca. 3.9,million years.
Therefore, the time range given to this species is from 4.2 - 3.8 million years ago.
Dating Method
The Kanapoi site is comprised of two layers; an upper layer and a lower layer. Ar/Ar dating was used to date the layers, therefore providing an accurate date for fossils found at this site.
Ar/Ar dating was also used to date the layers at the Allia Bay site.
Ar/Ar dating was also used to date the layers at the Allia Bay site.
Specimen Data (Morphology)
Adult mandible
- Date Added
- March 21, 2017
- Item Type
- Fossil
- Citation
- “Australopithecus anamensis,” Hominid Fossil Repository, accessed May 21, 2022, http://projects.leadr.msu.edu/hominidfossils/items/show/20.