Ardipithecus kadabba: Late Miocene Evidence from the Middle Awash, EthiopiaYohannes Haile-Selassie, Giday WoldeGabriel The second volume in a series dedicated to fossil discoveries made in the Afar region of Ethiopia, this work contains the definitive description of the geological context and paleoenvironment of the early hominid Ardipithecus kadabba. This research by an international team describes Middle Awash late Miocene faunal assemblages recovered from sediments firmly dated to between 5.2 and 5.8 million years ago. Compared to other assemblages of similar age, the Middle Awash record is unparalleled in taxonomic diversity, composed of 2,760 specimens representing at least sixty five mammalian genera. This comprehensive evaluation of the vertebrates from the end of the Miocene in Africa provides detailed morphological and taxonomic descriptions of dozens of taxa, including species new to science. It also incorporates results from analyses of paleoenvironment, paleobiogeography, biochronology, and faunal turnover around the Pliocene-Miocene boundary, opening a new window on the evolution of mammals, African fauna, and its environments. The second volume in a series dedicated to fossil discoveries made in the Afar region of Ethiopia, this work contains the definitive description of the geological context and paleoenvironment of the early hominid Ardipithecus kadabba. This research |
Contents
| 1 | |
| 27 | |
3 Volcanic Record of the AduAsa Formation | 63 |
4 Geochronology | 93 |
5 Small Mammals | 105 |
6 Cercopithecidae | 135 |
7 Hominidae | 159 |
8 Carnivora | 237 |
13 Equidae | 397 |
14 Rhinocerotidae | 429 |
15 Proboscidea | 469 |
16 Tubulidentata | 517 |
17 Paleoenvironment | 521 |
18 Paleobiogeography | 549 |
19 Biochronology Faunal Turnover and Evolution | 565 |
20 Conclusions | 585 |
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Common terms and phrases
Absent Absent Absent Adu Dora Adu-Asa Formation afarensis Alayla Anancus aramisi Ardipithecus kadabba Asa Koma Member assemblages Awash late Miocene Awash study area basaltic basaltic tuff Bernor bovid buccal buccolingually canine Ceratotherium cingulum colobine crown height cusp dental dentition deposits Diceros distal eastern Africa enamel Eurygnathohippus extant fauna feibeli Figure fossil fragment genus groove Guérin habitats Haile-Selassie holotype hominid Hooijer horn core hypocone incisor indet kadabba kanamensis KNM-LT Kuseralee Member KUSM Langebaanweg lineage lingual localities loph lophid Lothagam lower Lukeino M₁ mandible mandibular MD BL MD mesial mesiodistally metaconid Middle Awash Middle Awash late Middle Awash study molars morphology Nawata Nyanzachoerus occlusal view paracone Pliocene posterior premolars preserved Primelephas protocone proximal ramidus Redunca relatively rift margin Sagantole Sahabi Saitune Dora sample species specimens stratigraphic surface syrticus talonid taxa taxon teeth tephra tooth Tragelaphus Tragelaphus moroitu Tragoportax upper volcanic WoldeGabriel