New hominin fossils from Kanapoi, Kenya, and the mosaic evolution of canine teeth in early hominins

South African Journal of Science

Volumn 108, Issue 3-4, 2012, Pages

  Manthi, Fredrick K ^a   Plavcan, J Michael ^b   Ward, Carol V ^c  

^a INSTITUTE OF PRIMATE RESEARCH   (Kenya)

^b UNIVERSITY OF ARKANSAS   (United States)

^c University of Missouri   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADAPTATION; CLADISTICS; EVOLUTIONARY BIOLOGY; FOSSIL RECORD; HOMINID; MORPHOLOGY; NEW RECORD; PALEONTOLOGY; SEXUAL DIMORPHISM; SHAPE; SIZE; TOOTH;

KENYA;

ARDIPITHECUS RAMIDUS; AUSTRALOPITHECUS; AUSTRALOPITHECUS AFARENSIS; AUSTRALOPITHECUS ANAMENSIS; HOMINIDAE;

EID: 84859480346     PISSN: 00382353     EISSN: 19967489     Source Type: Journal    
DOI: 10.4102/sajs.v108i3/4.724     Document Type: Article

References (34)

1. Dart RA. Australopithecus africanus: The man-ape of South Africa. Nature. 1925;115:195. http://dx.doi.org/10.1038/115195a0
2. Brunet M, Guy F, Pilbeam D, et al. A new hominid from the Upper Miocene of Chad, Central Africa. Nature. 2002;418:145-151. http://dx.doi.org/10.1038/ nature00879, PMid:12110880
3. Senut B, Pickford M, Gommery D, Mein P, Cheboi K, Coppens Y. First hominid from the Miocene (Lukeino Formation, Kenya). C R Acad Sc Paris. 2001;332:137-144. (Pubitemid 33127643)
4. Haile-Selassie Y. Late Miocene hominids from the Middle Awash, Ethiopia. Nature. 2001;412:187-191.
5. Haile-Selassie Y, Suwa G, White TD. Late Miocene teeth from middle Awash, Ethiopia, and early hominid dental evolution. Science. 2004;303:1503-1505. http://dx.doi.org/10.1126/science.1092978, PMid:15001775
6. Haile-Selassie Y, WoldeGabriel G, editors. Ardipithecus kedabba: Late Miocene evidence from the Middle Awash, Ethiopia. Berkeley: University of California Press; 2009.
7. Suwa G, Kono R, Simpson S, Asfaw B, Lovejoy C, White T. Paleobiological implications of the Ardipithecus ramidus dentition. Science. 2009;236:94-99.
8. White T, Asfaw B, Beyene Y, et al. Ardipithecus ramidus and the paleobiology of early hominids. Science. 2009;326:64-86. http://dx.doi.org/10. 1126/science.1175802
9. White T, WoldeGabriel G, Asfaw B, et al. Assa Issie, Aramis and the origin of Australopithecus. Nature. 2006;440:883-889. http://dx.doi.org/10.1038/ nature04629, PMid:16612373
10. White TD, Suwa G, Asfaw B. Australopithecus ramidis, a new species of early hominid from Aramis, Ethiopia. Nature. 1994;371:306-312. http://dx.doi.org/10.1038/371306a0, PMid:8090200
11. Kimbel W, Lockwood C, Ward CV, Leakey M, Rak Y, Johanson D. Was Australopithecus anamensis ancestral to A. afarensis? A case of anagenesis in the hominin fossil record. J Hum Evol. 2006;51:134-152. http://dx.doi.org/10. 1016/j.jhevol.2006.02.003, PMid:16630646
12. White TD. Earliest hominids. In: Hartwig WC, editor. The primate fossil record. Cambridge: Cambridge University Press, 2002; p. 407-417.
13. Greenfeld L. Origins of the human canine; a new solution to an old enigma. Yearb Phys Anthropol. 1992;35:153-185. http://dx.doi.org/10.1002/ajpa. 1330350607
14. Plavcan JM. Inferring social behavior from sexual dimorphism in the fossil record. J Hum Evol. 2000;39:327-344. http://dx.doi.org/10.1006/jhev.2000. 0423, PMid:10964532
15. Leakey MG, Feibel CS, MacDougall I, Ward CV, Walker A. New specimens and confrmation of an early age for Australopithecus anamensis. Nature. 1998;363:62-66. http://dx.doi.org/10.1038/29972, PMid:9590689
16. Leakey MG, Feibel CS, McDougall I, Walker A. New four-million-year-old hominid species from Kanapoi and Alia Bay, Kenya. Nature. 1995;376:565-571. http://dx.doi.org/10.1038/376565a0, PMid:7637803
17. Ward CV, Leakey MG, Walker A. Morphology of Australopithecus anamensis from Kanapoi and Allia Bay, Kenya. J Hum Evol. 2001;41:255-368. http://dx.doi.org/10.1006/jhev.2001.0507, PMid:11599925
18. Ward CV, Walker A, Leakey MG. The new hominid species Australopithecus anamensis. Evol Anthropol. 1999;7:197-205. http://dx.doi.org/10.1002/(SICI)1520- 6505(1999)7:6197:AID-EVAN43.0.CO;2-T
19. Haile-Selassie Y, Saylor B, Deino A, Alene M, Latimer B. New hominid fossils from Woranso-Mille (Central Afar, Ethiopia) and taxonomy of early Australopithecus. Am J Phys Anthropol. 2010;141:406-417. PMid:19918995
20. Fleagle JG, Rasmussen DT, Yirga S, Bown TM, Grine FE. New hominid fossils from Fejej, southern Ethiopia. J Hum Evol. 1991;21:145-152. http://dx.doi.org/10.1016/0047-2484(91)90005-G
21. McDougall I, Brown F. Geochronology of the pre-KBS Tuff sequence, Omo Group, Turkana Basin. J Geol Soc. 2008;165:549-562. http://dx.doi.org/10.1144/ 0016-76492006-170
22. Wolpoff M. Paleoanthropology. New York: Knopf; 1980.
23. Plavcan J. Sexual dimorphism in the dentition of extant anthropoid primates. Durham: Duke University; 1990.
24. Plavcan J, Ward CV, Paulus F. Estimating tooth crown height in early Australopithecus. J Hum Evol. 2009;57:2-10. http://dx.doi.org/10.1016/j. jhevol.2009.04.005, PMid:19482334
25. Matlab. Version 7. Natick, MA: Mathworks; 2010.
26. SMATR (Standardized Major Axis Tests and Routines). Version 2. Sydney: Falster D, Wharton D, Wright I; 2006.
27. Wharton D, Wright I, Falster D, Westoby M. Bivariate line-ftting methods for allometry. Biol Rev. 2006;81:259-291. http://dx.doi.org/10.1017/ S1464793106007007, PMid:16573844
28. Bailit H, Friedlaender J. Tooth size reduction: A hominid trend. Am Anthropol. 1966;68:665-72. http://dx.doi.org/10.1525/aa.1966.68.3.02a00030
29. Brace C. Structural reduction in evolution. Am Nat. 1963;97:39-49.
30. Calcagno J, Gibson K. Human dental reduction: Natural selection or probable mutation effect? Am J Phys Anthropol. 1988;77:505-517. http://dx.doi.org/10.1002/ajpa.1330770411, PMid:3223518
31. Wolpoff M. The effect of mutations under conditions of reduced selection. Soc Biol. 1969;16:11-23. PMid:5803566
32. Jungers W. On canine reduction in early hominids. Curr Anthropol. 1978(19):155-156. http://dx.doi.org/10.1086/202027
33. Szalay FS. Hunting-scavenging protohominds: A model for hominid origins. Man. 1975;10:420-429. http://dx.doi.org/10.2307/2799811
34. Ungar P, Scott R, Grine F, Teaford M. Molar microwear textures and the diets of Australopithecus anamensis and Australopithecus afarensis. Philos Trans R Soc London. 2010;365:3345-3354. http://dx.doi.org/10.1098/rstb.2010.0033, PMid:20855308