Carnivoran paleoguilds of Africa: Implications for hominid food procurement strategies

Journal of Human Evolution

Volumn 32, Issue 2-3, 1997, Pages 257-288

  Lewis, Margaret E ^a,b  

^a NEW YORK INSTITUTE OF TECHNOLOGY   (United States)

^b she is currently in pursuit of her Doctor of Nursing Practice   (United States)

Author keywords

Guild; Koobi fora; Olduvai gorge; Sabertoothed felids; Scavenging; Transvaal

Indexed keywords

ANIMALIA; DINOFELIS; FELIDAE; HOMINIDAE; LETHRINIDAE; MEGANTEREON; CARNIVORA; HOMOTHERIUM; MAMMALIA;

CARCASS; CARNIVORE; CARNIVORE GUILD; FEEDING BEHAVIOUR; FEEDING STRATEGY; FOSSIL MAMMAL; HOMINID; SCAVENGING;

AFRICA; ANIMAL; ARTICLE; CARNIVORA; CLASSIFICATION; EVOLUTION; FOOD; HISTOLOGY; HOMINID; HUMAN; PHYSIOLOGY;

AFRICA; ANIMALS; CARNIVORA; EVOLUTION; FOOD; HOMINIDAE; HUMANS;

KENYA, KOOBI FORA; SOUTH AFRICA, TRANSVAAL; TANZANIA, OLDUVAI GORGE;

EID: 0031064099     PISSN: 00472484     EISSN: None     Source Type: Journal    
DOI: 10.1006/jhev.1996.0103     Document Type: Article

References (148)

1. Andrews, P. (1989). Palaeoecology of Laetoli. J. hum. Evol. 18, 173-181.
2. Andrews, P., Lord, J. & Nesbit-Evans, E. (1979). Patterns of ecological diversity in fossil and modern mammalian faunas. Biol. J. Linn. Soc. 11, 177-205.
3. Ballesio, R. (1963). Monographic d'un Machairodus du Gisement villafranchien de Senèze: Homotherium crenatidens Fabrini. Trav. Lab. Géol. Lyon, n.s. 9, 1-129.
4. Bearder, S. (1977). Feeding habits of spotted hyaenas in a woodland habitat. E. Afr. Wildl. J. 15, 263-280.
5. Behrensmeyer, A., Damuth, J., DiMichele, W., Potts, R., Sues, H.-D. & Wing, S. (1992). Terrestrial Ecosystems through Time. Chicago: University of Chicago Press.
6. Berta, A. (1981). The Plio-Pleistocene hyaena Chasmaporthetes ossifragus from Florida. J. Vert. Paleont. 1, 341-356.
7. Berta, A. (1987). The sabercat Smilodon gracilis from Florida and a discussion of its relationships (Mammalia, Felidae, Smilodontini). Bull. Florida State Mus., Biol. Sci. 31, 1-63.
8. Berta, A. & Galiano, H. (1983). Megantereon hesperus from the late Hemphillian of Florida with remarks on the phylogenetic relationships of machairodonts (Mammalia, Felidae, Machairodontinae). J. Paleont. 57, 892-899W.
9. Bertram, B. (1982). Leopard ecology as studied by radio tracking. Symp. Zool. Soc. Lond. 49, 341-352.
10. Binford, L. (1981). Bones: Ancient Men and Modern Myths. New York: Academic Press.
11. Binford, L. (1986). Reply to H. T. Bunn and E. M. Kroll's "Systematic Butchery by Plio-Pleistocene Hominids at Olduvai Gorge, Tanzania". Curr. Anthropol. 27, 444-446.
12. Binford, L., Mills, M. & Stone, N. (1988). Hyaena scavenging behavior and its implications for the interpretation of faunal assemblages from FLK 22 (the Zinj floor) at Olduvai Gorge. J. Anth. Arch. 7, 99-135.
13. Blumenschine, R. (1986a). Early Hominid Scavenging Opportunities; Implications of Carcass Availability in the Serengeti and Ngorongoro Ecosystems. Oxford: British Archaeological Reports International Series, no. 283.
14. Blumenschine, R. (1986b). Carcass consumption sequences and the archaeological distinction of scavenging and hunting. J. hum. Evol. 15, 639-660.
15. Blumenschine, R. (1987). Characteristics of an early hominid scavenging niche. Curr. Anthropol. 28, 383-407.
16. Blumenschine, R. (1988). An experimental model of the timing of hominid and carnivore influence on archaeological bone assemblages. J. Arch. Res. 15, 483-502.
17. Blumenschine, R. (1989). A landscape taphonomic model of the scale of prehistoric scavenging opportunities. J. hum. Evol. 18, 345-372.
18. Blumenschine, R., Cavallo, J. A. & Capaldo, S. D. (1994). Competition for carcasses and early hominid behavioral ecology: a case study and conceptual framework. J. hum. Evol. 27, 197-213.
19. Brain, C. (1969). The probable role of leopards as predators of the Swartkrans australopithecines. S. Afr. Arch. Bull. 24, 52-55.
20. Brain, C. (1974). Some suggested procedures in the analysis of bone accumulations from southern African Quaternary sites. Ann. Transv. Mus. 29, 1-8.
21. Brain, C. (1981). The Hunters or the Hunted? An Introduction to African Cave Taphonomy. Chicago: University of Chicago Press.
22. Bunn, H. (1986). Patterns of skeletal representation and hominid subsistence activities at Olduvai Gorge, Tanzania, and Koobi Fora, Kenya. J. hum. Evol. 15, 673-690.
23. Bunn, H. (1987). Reply to Blumenschine's "Characteristics of an early hominid scavenging niche". Curr. Anthropol. 28, 394-396.
24. Bunn, H. (1991). A taphonomic prespective on the archaeology of human origins. Ann. Rev. Anthopol. 20, 433-467.
25. Bunn, H., Bartram, L. & Kroll, E. (1988). Variability in bone assemblage formation from Hadza hunting, scavenging, and carcass processing. J. Anthropol. Arch. 7, 412-457.
26. Bunn, H. & Ezzo, J. (1993). Hunting and scavenging by Plio-Pleistocene hominids: nutritional constraints, archaeological patterns, and behavioural implications. J. Archeol. Sci. 20, 365-398.
27. Bunn, H. & Kroll, E. (1986). Systematic butchery by Plio/Pleistocene hominids at Olduvai Gorge, Tanzania. Curr. Anthropol. 27, 431-452.
28. Caro, T. M. (1994). Cheetahs of the Serengeti Plains: Group Living in an Asocial Species. Chicago: University of Chicago Press.
29. Cavallo, J. & Blumenschine, R. (1989). Tree-stored leopard kills: expanding the hominid scavenging niche. J. hum. Evol. 18, 393-400.
30. Cooke, H. (1991). Dinofelis barlowi (Mammalia, Carnivora, Felidae) cranial material from Bolt's Farm, collected by the Univ. of California African Expedition. Palaeontol. Afr. 28, 9-21.
31. Damuth, J. (1992). Taxon-free characterization of animal communities. In (A. Behrensmeyer, J. Damuth, W. DiMichele, R. Potts, H.-D. Sues and S. Wing, Eds) Terrestrial Ecosystems through Time, pp. 183-203. Chicago: University of Chicago Press.
32. Dart, R. (1949). The predatory implemental technique of Australopithecus. Am. J. phys. Anthrop. 1, 1-16.
33. Dart, R. (1956). The myth of the bone-accumulating hyaena. Am. Anthropol. 58, 40-62.
34. Eaton, R. (1970). Hunting behavior of the cheetah. J. Wildl. Mgmt. 34, 56-67.
35. Eaton, R. (1979). Interference competition among carnivores: a model for the evolution of social behavior. Carnivore 2, 9-16.
36. Elliot, J., Cowan, I. & Holling, C. (1977). Prey capture by the African lion. Can. J. Zool. 55, 1811-1828.
37. Emmons, L. (1987). Comparative feeding ecology of felids in a neotropical rainforest. Behav. Ecol. Sociobiol. 20, 271-283.
38. Estes, R. & Goddard, J. (1967). Prey selection and hunting behavior of the African wild dog. J. Wildl. Mgmt. 31, 52-70.
39. Ewer, R. (1954). The fossil carnivores of the Transvaal caves: the Hyaenidae of Kromdraai. Proc. Zool. Soc. Lond. 124, 565-585.
40. Ewer, R. (1955a). The fossil carnivores of the Transvaal caves: the Hyaenidae, other than Lycyaena, of Swartkrans and Sterkfontein. Proc. Zool. Soc. Lond. 124, 815-838.
41. Ewer, R. (1955/3). The fossil carnivores of the Transvaal caves: the Lycyaenas of Sterkfontein and Swartkrans, together with some general considerations of the Transvaal fossil hyaenids. Proc. Zool. Soc., Lond. 124, 839-857.
42. Ewer, R. (1955c). The fossil carnivores of the Transvaal caves: Machairodontinae. Proc. Zool. Soc. Lond. 125, 587-615.
43. Ewer, R. (1956a). The fossil carnivores of the Transvaal caves: Felinae. Proc. Zool. Soc. Lond. 126, 83-95.
44. Ewer, R. (1956b). The fossil carnivores of the Transvaal caves: Canidae. Proc. Zool. Soc. Lond. 126, 97-119.
45. Ewer, R. (1965). Carnivora, preliminary notes. In (L. Leakey, Ed.) Olduvai Gorge 1951-1961, Vol. 1, A Preliminary Report on the Geology and Fauna, pp. 19-23. New York: Cambridge University Press.
46. Ewer, R. (1967). The fossil hyaenids of Africa - a reappraisal. In (W. W. Bishop & J. D. Clark, Eds) Background to Evolution in Africa, pp. 109-123. Chicago: University of Chicago Press.
47. Ewer, R. (1973). The Carnivores. New York: Cornell University Press.
48. Ficcarelli, G., Torre, D. & Turner, A. (1985). First evidence for the presence of a species of raccoon dog, Nyctereutes Temminck, 1838, in South African Plio-Pleistocene deposits. Bull. Soc. Paleontol. Ital. 23, 15-130.
49. Fuller, T., Biknevicius, A., Kat, P., Van Valkenburgh, B. & Wayne, R. (1989). The ecology of three sympatric jackal species in the Rift Valley of Kenya. Afr. J. Ecol. 27, 313-323.
50. Fuller, T. & Kat, P. (1990). Movements, activity, and prey relationships of African wild dogs (Lycaon pictus) near Aitong, southwestern Kenya. Afr. J. Ecol. 28, 330-350.
51. Godfrey, L., Sutherland, M., Paine, R., Williams, F., Boy, D. & Vuillaume-Randriamanantena, M. (1995). Limb joint surface areas and their ratios in Malagasy lemurs and other mammals. Am. J. phys. Anthrop. 97, 11-36.
52. Gonyea, W. (1976a). Adaptive differences in the body proportions of large felids. Acta Anat. 96, 81-96.
53. Gonyea, W. (1976b). Behavioral implications of sabertoothed felid morphology. Paleobio. 2, 332-342.
54. Gower, J. (1966). Some distance properties of latent root and vector methods used in multivariate analysis. Biometrika 53, 325-338.
55. Harrington, F. (1981). Urine-marking and caching behavior in the wolf. Behaviour 76, 280-288.
56. Hemmer, V. H. (1965). Zur nomenklatur und verbreitung des genus Dinofelis Zdansky, 1924 (Therailurus Piveteau, 1948). Palaeont. Afr. 9, 75-89.
57. Hendey, Q. (1973). Carnivore remains from the Kromdraai australopithecine site (Mammalia: Carnivora). Ann. Trans. Mus. 28, 99-112.
58. Hildebrand, M. (1961). Further studies on locomotion of the cheetah. J. Mammal. 42, 84-91.
59. Hildebrand, M. (1988). Analysis of Vertebrate Structure. New York: John Wiley & Sons.
60. Hinde, G. (1992). Leopard. London: Harper Collins.
61. Hopwood, A. (1934). New fossil mammals from Olduvai, Tanganyika Territory. Ann. Mag. Nat. Hist. 14, 546-550.
62. Isaac, G. (1976). The activities of early African hominids. In (G. Isaac and E. McGown, Eds) Human Origins: Lewis Leakey and The East African Evidence pp. 483-514. Menlo Park: Benjamin.
63. Isaac, G. (1978). The food-sharing behavior of proto-human hominids. Sci. Am. April, 110-123.
64. Jenkins, F. & Camazine, S. (1977). Hip structure and locomotion in ambulatory and cursorial carnivores. J. Zool. Lond. 181, 351-370.
65. Kappelman, J. (1988). Morphology and locomotor adaptations of the bovid femur in relation to habitat. J. Morphol. 198, 119-130.
66. Kingdon, J. (1977) East African Mammals, Volume IIIA: Carnivores. Chicago: University of Chicago Press.
67. Kitchener, A. (1991). The Natural History of the Wild Cats. Ethic: Cornell University Press.
68. Kruuk, H. (1972a). The Spotted Hyaena: A Study of Predation and Social Behavior. Chicago: University of Chicago Press.
69. Kruuk, H. (1972b). Surplus killing by carnivores. J. Zool. Lond. 166, 233-244.
70. Kruuk, H. & Turner, M. (1967). Comparative notes on predation by lion, leopard, cheetah and wild dog in the Serengeti area, East Africa. Mammalia 31, 1-27.
71. Kurtén, B. (1972). The genus Dinofelis (Carnivoran, Mammalia) in the Blancan of North America. Pearce-Sellards Ser. 19, 1-7.
72. Le Roux, P. & Skinner, J. (1989). A note on the ecology of the leopard (Panthern pardus Linnaeus) in the Londolozi Game Reserve, South Africa. Afr. J. Ecol. 27, 167-171.
73. Leakey, M. G. (1976). Carnivora of the East Rudolf succession. In (Y. Coppens, F. Clark Howell, G. Isaac & R. Leakey, Eds) Earliest Man and Environments in the East Rudolf Basin, pp. 302-313. Chicago: University of Chicago Press.
74. Lewis, M. E. (1995). Plio/Pleistocene carnivoran guilds: Implications for hominid paleoecology. Ph.D. Dissertation, State University of New York at Stony Brook.
75. Lewis, M. E. (1997). Functional morphology of the sabertoothed felid Megantereon (Mammalia, Carnivora) from the Plio-Pleistocene site of Kromdraai B, South Africa, (in prep.)
76. MacDonald, D. (1978). Observtions on the behaviour and ecology of the striped hyaena, Hyaena hyaena, in Israel. Israel J. Zool. 27, 189-198.
77. Marean, C. W. (1989). Sabertooth cats and their relevance for early hominid diet and evolution. J. hum. Evol. 18, 559-582.
78. Marean, C. W. & Ehrhardt, C. (1995). Paleoanthropological and paleoecological implications of the taphonomy of a sabertooth's den. J. hum. Evol. 29, 515-547.
79. Maynard Smith, J. & Savage, R. (1956). Some locomotory adaptations in mammals. J. Linn. Soc. (Zool.) 42, 603-622.
80. Mech, L. (1970). The Wolf: The Ecology and Behavior of an Endangered Species. Minneapolis: University of Minneapolis Press.
81. Mills, M. (1978). The comparative socio-ecology of the Hyaenidae. Carnivore 1, 1-7.
82. Mills, M. G. (1990). Kalahari Hyaenas: Comparative Behavioural Ecology of Two Species. London: Unwin Hyman.
83. Mills, M. & Biggs, H. (1993). Prey apportionment and related ecological relationships between large carnivores in Kruger National Park. In (N. Dunstone & M. Groman, Eds) Mammals as Predators, pp. 253-268. Oxford: Clarendon Press.
84. Mitchell, B., Shenton, J. & Uys, J. (1965). Predation on large mammals in the Kafue National Park, Zambia, Zool. Afric. 1, 297-318.
85. Mondolfi, H. & Hoogesteijn, R. (1986). Notes on the biology and status of the jaguar in Venezuela. In (S. Miller & D. Everett, Eds) Cats of the World: Biology, Conservation, and Management, pp. 85-124. Washington, D.C.: National Wildlife Federation.
86. Mosimann, J. & James, F. (1979). New statistical methods for allometry with application to Florida red-winged blackbirds. Evolution 33, 444-459.
87. O'Connell, J. & Hawkes, K. (1988). Hadza hunting, butchering, and bone transport and their archaeological implications. J. Anthropol. 44, 113-161.
88. Olsen, S. (1989). Solutré: a theoretical approach to the reconstruction of Upper Palaeolithic hunting strategies. J. hum. Evol. 18, 295-328.
89. Owens, M. & Owens, D. (1978). Feeding ecology and its influence on social organization in brown hyaenas (Hyaena brunnea, Thunberg) of the Central Kalahari desert. E. Afr. Wild. J. 16, 113-135.
90. Petter, G. (1973). Carnivores Pleistoc̀enes du Ravin d'Olduvai (Tanzanie). In (L. Leakey, R. Savage & Coryndon, Eds) Fossil Vertebrates of Africa, pp. 43-100. London: Academic Press.
91. Pienaar, U. d. V. (1969). Predator-prey relationships amongst the larger mammals of the Kruger National Park. Koedoe 12, 108-176.
92. Pimentel, R. (1979). Morphometrics. Dubuque, Iowa: Kendall/Hunt.
93. Potts, R. (1984). Home bases and early hominids. Am. Sci. 72, 338-347.
94. Potts, R. (1988a). Early Hominid Activities at Olduvai. New York: Aldine de Gruyter Press.
95. Potts, R. (1988b). On an early hominid scavenging niche. Curr. Anthropol. 29, 153-155.
96. Rabinowitz, A., Andau, P. & Chai, P. (1987). The clouded leopard in Malaysian Borneo. Oryx 21, 107-111.
97. Rautenbach, I. & Nel, J. (1978). Coexistence in Transvaal Carnivora. Bull. Carnegie Mus. Nat. Hist. 6, 138-145.
98. Rawn-Schatzinger, V. (1992). The scimitar cat Homotherium serum Cope: osteology, functional morphology, and predatory behavior. Ill. State Mus. Rep. Invest. 47, 1-80.
99. Rohlf, F., Kishpaugh, J. & Kirk, D. (1992). MT-STS: Numerical Taxonomic System of Multivariate Statistical Programs. Stony Brook: State University of New York.
100. Root, R. (1967). The niche exploitation pattern of the blue gray gnatcatcher. Ecol. Monog. 37, 317-350.
101. Schaller, G. (1967). The Deer and the Tiger. Chicago: University of Chicago Press.
102. Schaller, G. (1972). The Serengeti Lion. Chicago: University of Chicago Press.
103. Schaller, G. & Lowther, G. (1969). The relevance of carnivore behavior to the study of early hominids. Southwest. J. Anthropol. 25, 307-341.
104. Schaller, G. & Vasconcelos, J. (1978). Jaguar predation on capybara. Z. Säugetier. 43, 296-301.
105. Schaub, S. (1925). Ûber die osteologie von Machaerodus cultridens Cuvier. Eclog. Geol. Helvetiae 19, 255-266.
106. Scheel, D. & Packer, C. (1995). Variation in predation by lions: tracking a movable feast. In (A. Sinclair & P. Arcese, Eds) Serengeti II: Dynamics, Management, and Conservation of and Ecosystem, pp. 299-314. Chicago: University of Chicago Press.
107. Scott, J. (1991). Painted Wolves: Wild Dogs of the Serengeti-Mara. London: Hamish Hamilton.
108. Seidensticker, J. (1976). On the ecological separation between tigers and leopards. Biotrop. 8, 225-234.
109. Seidensticker, J. & McDougal, C. (1993). Tiger predatory behaviour, ecology and conservation. In (N. Dunstone & M. Gorman, Eds) Mammals as Predators, pp. 105-125. Oxford: Clarendon Press.
110. Sept, J. (1986). Plant foods and early hominids at Site FxJj 50, Koobi Fora, Kenya. J. hum. Evol. 15, 751-770.
111. Sept, J. (1992). Archaeological evidence and ecological perspectives for reconstructing early hominid subsistence behavior. In (M. B. Schiffer, Ed.) Archaeological Theory and Method, pp. 1-56. Tucson: University of Arizona Press.
112. Sheldon, J. (1992). Wild Dogs: The Natural History of the Nondomestic Canidae. San Diego: Academic Press.
113. Shipman, P. (1986a). Scavenging or hunting in hominids: theoretical framework and tests. Am. Anthropol. 88, 27-43.
114. Shipman, P. (1986b). Studies of hominid-faunal interactions at Olduvai Gorge. J. hum. Evol. 15, 691-706.
115. Speth, J. (1989). Early hominid hunting and scavenging: the role of meat as an energy source. J. hum Evol. 18, 329-344.
116. Spoor, C. (1985). Body proportions in Hyaenidae. Anat. Anz., Jena 160, 215-220.
117. Spoor, C. & Badoux, D. (1989). Descriptive and functional morphology of the locomotory apparatus of the spotted hyaena (Crocuta crocuta, Erxleben, 1777). Anat. Anz., Jena 168, 261-266.
118. Spoor, C. & Belterman, T. (1986). Locomotion in Hyaenidae. Bijdr. tot de Dierk. 56, 24-28.
119. Stander, P. & Albon, S. (1993). Hunting success of lions in a semi-arid environment. In (N. Dunstone & M. Gorman, Eds) Mammals as Predators, pp. 127-144. Oxford: Clarendon Press.
120. Stanley, S., Van Valkenburgh, B. & Steneck, R. (1983). Coevolution and the fossil record. In (D. Futuyma & M. Slatkin, Eds) Coevolution, pp. 328-349. Massachusetts: Sinauer Press.
121. Stern, J. (1974). Computer modelling of gross muscle dynamics. J. Biomech. 7, 411-428.
122. Sunquist, M. (1981). The social organization of tigers (Panthera tigris) in Royal Chitawan National park, Nepal. Smith. Contrib. Zoo. 336, 1-98.
123. Taylor, M. (1974). The functional anatomy of the forelimb of some African Viverridae (Carnivora). J. Morphol. 143, 307-336.
124. Taylor, M. (1989). Locomotor adaptations by carnivores. In (J. Gittleman, Ed.) Carnivore Behavior and Evolution, pp. 382-409. New York: Cornell University Press.
125. Turner, A. (1984). Panthera crassidens Broom, 1948. The cat that never was? S. Afr. J. Sci. 80, 227-233.
126. Turner, A. (1986). Some features of African larger carnivore historical biogeography. Palaeoecol. Afr. 17, 237-244.
127. Turner, A. (1987a). New fossil carnivore remains from the Sterkfontein hominid site (Mammalia: Carnivora). Ann. Transv. Mus. 34, 319-347.
128. Turner, A. (1987b). Megantereon cultridens (Cuvier) (Mammalia, Felidae, Machairodontinae) from Plio-Pleistocene deposits in Africa and Eurasia, with comments on dispersal and the possibility of a New World origin. J. Paleontol. 61, 1256-1268.
129. Turner, A. (1988). Relative scavenging opportunities for east and south African Plio-Pleistocene hominids. J. Arch. Sci. 15, 327-341.
130. Turner, A. (1989). Sample selection, schlepp effects and scavenging: the implications of partial recovery for interpretations of the terrestrial mammals assemblage from Klasies River Mouth. J. Arch. Sci. 16, 1-11.
131. Turner, A. (1990). The evolution of the guild of larger terrestrial carnivores during the Plio-Pleistocene in Africa. Géobios 23, 349-368.
132. Turner, A. (1992). Large carnivores and earliest European hominids: changing determinants of resource availability during the lower and middle Pleistocene. J. hum. Evol. 22, 109-126.
133. Turner, A. (1993). New fossil carnivore remains from Swartkrans. In (G. Brian, Ed.) Swartkrans: A Cave's Chronicle of Early Man, pp. 151-165. Pretoria: Transvaal Museum Monographs.
134. Turner, A. & Wood, B. (1993). Taxonomic and geographic diversity in robust australopithecines and other African Plio-Pleistocene larger mammals. J. hum. Evol. 24, 147-168.
135. Van Couvering, J. (1980). Community evolution in East Africa in the Late Genozoic. In (A. Behrensmeyer & A. Hill, Eds) Fossils in the Making, pp. 272-298. Chicago: University of Chicago Press.
136. Van Valkenburgh, B. (1985). Locomotor diversity within past and present guilds of large predatory mammals. Paleobio. 11, 406-428.
137. Van Valkenburgh, B. (1988). Trophic diversity in past and present guilds of large predatory mammals. Paleobio. 14, 155-173.
138. Van Valkenburgh, B. (1989). Carnivore dental adaptations and diet: a study of trophic diversity within guilds. In (J. Gittleman, Ed.) Carnivore Behavior, Ecology and Evolution, pp. 410-436. New York: Cornell University Press.
139. Van Valkenburgh, B. (1994). Ecomorphological analysis of fossil vertebrates and their paleocommunities. In (P. Wainright & S. Reilly, Eds) Ecomorphology, pp. 140-166. Chicago: University of Chicago Press.
140. Van Valkenburgh, B. & Ruff, C. B. (1987). Canine tooth strength and killing behaviour in large carnivores. J. Zool., Lond. 212, 379-397.
141. Van Valkenburgh, B., Teaford, M. F. & Walker, A. (1990). Molar microwear and diet in large carnivores: inferences concerning diet in the sabretooth cat, Smilodon fatalis. J. Zool., Lond. 222, 319-340.
142. Vrba, E. (1980). The significance of bovid remains as indicators of environment and predation patterns. In (A. Behrensmeyer & A. Hill, Eds) Fossils in the Making, pp. 247-271. Chicago: University of Chicago Press.
143. Vrba, E. (1985). Ecological and adaptive changes associated with early hominid evolution. In (E. Delson, Ed.) Ancestors: The Hard Evidence, pp. 63-71. New York: Alan R. Liss.
144. Vrba, E. (1988). Late Pliocene climatic events and hominid evolution. In (F. Grine, Ed.) Evolutionary History of the "Robust" Australopithecines, pp. 405-426. New York: Aldine de Gruyter.
145. Walker, A. (1984). Extinction in hominid evolution. In (M. Nitecki, Ed.) Extinctions, pp. 119-152. Chicago: University of Chicago Press.
146. Werdelin, L. (1989). Constraint and adaptation in the bone-cracking canid Osteoborus (Mammalia: Canidae). Paleobio. 15, 387-401.
147. Werdelin, L. & Solounias, N. (1991). The Hyaenidae: taxonomy, systematics and evolution. Fossils and Strata 30, 1-104.
148. Werdelin, L. & Turner, A. (1996). The fossil and living Hyaenidae of Africa: present status. In (K. Stewart & K. Seymour, Eds) Palaeoecology and Palaeoenvironments of Late Cenozoic Mammals. Toronto: Univ. of Toronto Press.