By Yohannes Haile-Selassie, Giday WoldeGabriel
The second one quantity in a chain devoted to fossil discoveries made within the Afar sector of Ethiopia, this paintings comprises the definitive description of the geological context and paleoenvironment of the early hominid Ardipithecus kadabba. This learn through a world staff describes center Awash past due Miocene faunal assemblages recovered from sediments firmly dated to among 5.2 and 5.8 million years in the past. in comparison to different assemblages of comparable age, the center Awash checklist is exceptional in taxonomic variety, composed of 2,760 specimens representing at the very least 65 mammalian genera. This finished evaluate of the vertebrates from the tip of the Miocene in Africa presents distinct morphological and taxonomic descriptions of dozens of taxa, together with species new to technological know-how. It additionally accommodates effects from analyses of paleoenvironment, paleobiogeography, biochronology, and faunal turnover round the Pliocene-Miocene boundary, starting a brand new window at the evolution of mammals, African fauna, and its environments.
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Additional info for Ardipithecus kadabba: Late Miocene Evidence from the Middle Awash, Ethiopia (The Middle Awash Series)
Equidae Hipparionini Eurygnathohippus feibeli x Eurygnathohippus aﬀ. feibeli x x x x x Nyanzachoerus syrticus x x x Nyanzachoerus waylandi x x x x x x Podicipedidae Phalacrocoracidae x Phalacrocorax sp. x Phalacrocorax cf. carbo x Anhingidae Giraﬃni Anhinga cf. melanogaster x x Bovidae x Ardeidae Sivatherini Sivatherium sp. x Pelecaniformes Palaeotragini x x Podicipediformes Giraﬃdae Ardea sp. x gen. et sp. indet. x Ciconiiformes Boselaphini cf. Ciconiiformes indet. Tragoportax abyssinicus sp. nov.
This shows the importance of ﬁrst establishing spatial and stratigraphic frameworks for a collection area before fossil specimens are collected. Middle Awash Project Collections A basic description of the paleontological activities and protocols used by the Middle Awash research project is presented by de Heinzelin et al. (2000b). Between 1992 and 2005, the Middle Awash project collected a total of 2,800 specimens from 23 late Miocene localities. Each specimen was entered into ﬁeld hard copy and then into a digital catalog with up to 25 categories of information, including geographic and stratigraphic position.
1996). Locality Designation Locality nomenclature and designation protocols used by the Middle Awash project have been fully described in de Heinzelin et al. (2000b). 9 View to the southwest across ALA-VP-2 on the day of discovery of the Ardipithecus kadabba type specimen. This illustrates free survey, in which fossiliferous outcrops of sediments are traversed by collectors on foot, usually kneeling or bending over to scan the surface for fossils. Photograph by Tim White, December 16, 1997. 1.