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J. John Sepkoski Jr. (1948–1999)

Published online by Cambridge University Press:  08 April 2016

David M. Raup
David M. Raup*
Affiliation:
Geophysical Sciences Department, University of Chicago, Chicago, Illinois 60637. E-mail: draup@mail.wiscnet.net
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With Jack Sepkoski's sudden death from heart failure on May 1, 1999, paleontology lost one of its most important figures. In his 25–year career, Jack published more than 70 research articles, 15 of them in this journal, and an equal number of reviews, commentaries, and abstracts. He co-edited Paleobiology (1983–86), received the Schuchert Award (1983), and served as President of the Paleontological Society (1995–96). In 1997, he was elected to the Polish Academy of Sciences and in the same year received the Medal of the University of Helsinki. Further recognition would surely have followed but for his untimely death.

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In Appreciation
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Paleobiology , Volume 25 , Issue 3 , Summer 1999 , pp. 424 - 429
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Copyright © The Paleontological Society 

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References

Publications of J. John Sepkoski Jr

1.Sepkoski, J. J. Jr. 1968. A Niagaran reef complex near Monon, Indiana. Notre Dame Science Quarterly 7:11–13, 15.Google Scholar
2.Sepkoski, J. J. Jr. 1971. Carbonate sands of the Tobacco Bay area, Bermuda. Bermuda Biological Station for Research Special Publication 9:69–97.Google Scholar
3.Sepkoski, J. J. Jr. 1974. Quantified coefficients of association and the measurement of similarity. Mathematical Geology 6:135–152.CrossRefGoogle Scholar
4.Sepkoski, J. J. Jr., and Rex, M. A. 1974. Distribution of freshwater mussels: coastal rivers as biogeographic islands. Systematic Zoology 22:165–188.Google Scholar
5.Sepkoski, J. J. Jr. 1975. Stratigraphic biases in the analysis of taxonomic survivorship. Paleobiology 1:343–355.Google Scholar
6.Sepkoski, J. J. Jr. 1975. Analysis of composition of fossil communities. Geological Society of America Abstracts with Programs 7:117–118.Google Scholar
7.Sepkoski, J. J. Jr. 1975. Depositional environments and fossil assemblages on the Cambrian shelf: an example from the Dresbachian of the Northern Rocky Mountains. Geological Society of America Abstracts with Programs 7:1264–1265.Google Scholar
8.Sepkoski, J. J. Jr. 1976. Species diversity in the Phanerozoic: species-area effects. Paleobiology 2:298–303.CrossRefGoogle Scholar
9.Sepkoski, J. J. Jr. 1976. A kinetic model of Phanerozoic diversity. Geological Society of America Abstracts with Programs 8:1098–1099.Google Scholar
10.Yang, H., Wassersug, R. J., and Sepkoski, J. J. Jr. 1976. Effects of random walks on clade structure and diversity in stochastic models of evolution. American Zoologist 16:271.Google Scholar
11.Gould, S. J., Raup, D. M., Sepkoski, J. J. Jr., Schopf, T. J. M., and Simberloff, D. S. 1977. The shape of evolution: a comparison of real and random clades. Paleobiology 3:23–40.Google Scholar
12.Schwartz, D. A., Sepkoski, J. J. Jr., and Bambach, R. K. 1977. Species-abundance distributions in Phanerozoic marine communities. Geological Society of America Abstracts with Programs 9:316.Google Scholar
13.Sepkoski, J. J. Jr. 1977. The enigma of the Cambrian diversification. Geological Society of America Abstracts with Programs 9:1168.Google Scholar
14.Sepkoski, J. J. Jr. 1978. A kinetic model of Phanerozoic taxonomic diversity I. Analysis of marine orders. Paleobiology 4:223–251.Google Scholar
15.Flessa, K. W., and Sepkoski, J. J. Jr. 1978. On the relationship between Phanerozoic diversity and changes in habitable area. Paleobiology 4:359–366.Google Scholar
16.Chapman, R. E., Sepkoski, J. J. Jr., Wall, W. P., and Galton, P. M. 1978. The taxonomic structure of the pachycephalosaurian dinosaur genus Stegoceras as illuminated by principal components. Geological Society of America Abstracts with Programs 10:36.Google Scholar
17.Sepkoski, J. J. Jr. 1978. Taphonomic factors influencing the lithologic occurrence of fossils in Dresbachian (Upper Cambrian) shaly facies. Geological Society of America Abstracts with Programs 10:490.Google Scholar
18.Sepkoski, J. J. Jr. 1979. A kinetic model of Phanerozoic taxonomic diversity II. Early Paleozoic families and multiple equilibria. Paleobiology 5:222–252.Google Scholar
19.Wassersug, R. J., Yang, H., Sepkoski, J. J. Jr., and Raup, D. M. 1979. The evolution of body size on islands: a computer simulation. American Naturalist 114:287–295.Google Scholar
20.Sepkoski, J. J. Jr., and Bambach, R. K. 1979. The temporal restriction of flat pebble conglomerates: an example of coevolution of organisms and sediments. Geological Society of America Abstracts with Programs 11:256.Google Scholar
21.Bambach, R. K., and Sepkoski, J. J. Jr. 1979. The increasing influence of biologic activity on sedimentary stratification through the Phanerozoic. Geological Society of America Abstracts with Programs 11:383.Google Scholar
22.Sepkoski, J. J. Jr. 1980. The three great evolutionary faunas of the Phanerozoic marine fossil record. Geological Society of America Abstracts with Programs 12:520.Google Scholar
23.Sepkoski, J. J. Jr. 1980. Animal evolution. McGraw-Hill Yearbook of Science and Technology 1980:94–97.Google Scholar
24.Sepkoski, J. J. Jr. 1980. The marine fossil record. Chart. (Privately published).Google Scholar
25.Sepkoski, J. J. Jr. 1981. A factor analytic description of the Phanerozoic marine fossil record. Paleobiology 7:36–53.Google Scholar
26.Chapman, R. E., Galton, P. M.Sepkoski, J. J. Jr., and Wall, W. P. 1981. A morphometric study of the cranium of the pachycephalosaurid dinosaur Stegoceras. Journal of Paleontology 55:608–618.Google Scholar
27.Ziegler, A. M., Bambach, R. K., Parrish, J. T., Barrett, S. F., Gierlowski, E. H., Parker, W. C., Raymond, A. L., and Sepkoski, J. J. Jr. 1981. Paleozoic biogeography and climatology. Pp. 231–266in Niklas, K. J., ed. Paleobotany, paleoecology, and evolution. Praeger, New York.Google Scholar
28.Sepkoski, J. J. Jr. 1981. The uniqueness of the Cambrian fauna. In Taylor, M. E., ed. Short papers for the second international symposium on the Cambrian System. United Stares Geological Survey Open-File Report 81–743:203–207.Google Scholar
29.Sepkoski, J. J. Jr., Bambach, R. K., Raup, D. M., and Valentine, J. W. 1981. Phanerozoic marine diversity and the fossil record. Nature 293:435–437.Google Scholar
30.Sepkoski, J. J. Jr., and Sheehan, P. M. 1981. The Ordovician radiations. Geological Society of America Abstracts with Programs 13:551.Google Scholar
31.Sepkoski, J. J. Jr. 1982. A compendium of fossil marine families. Milwaukee Public Museum Contributions in Biology and Geology 51.Google Scholar
32.Marshall, L. G., Webb, S. D., Sepkoski, J. J. Jr., and Raup, D. M. 1982. Mammalian evolution and the Great American Interchange. Science 215:1351–1357.CrossRefGoogle ScholarPubMed
33.Raup, D. M., and Sepkoski, J. J. Jr. 1982. Mass extinctions in the marine fossil record. Science 215:1501–1503.Google Scholar
34.Sepkoski, J. J. Jr. 1982. Flat-pebble conglomerates, storm deposits, and the Cambrian bottom fauna. Pp. 371–385in Einsele, G. and Seilacher, A., eds. Cyclic and event stratification. Springer, Berlin.Google Scholar
35.Sepkoski, J. J. Jr. 1982. Mass extinctions in the Phanerozoic oceans: a review. In Silver, L. T. and Schultz, P. H., eds. Geological implications of impacts of large asteroids and comets on Earth. Geological Society of America Special Paper 190:283–289.Google Scholar
36.Sepkoski, J. J. Jr., and Miller, A. I. 1982. Large-scale patterns of community evolution in the Paleozoic oceans. Geological Society of America Abstracts with Programs 14:287.Google Scholar
37.Sepkoski, J. J. Jr., and Raup, D. M. 1982. Macro-extinction. Journal of Paleontology 56(Suppl. to No. 2):25–26.Google Scholar
38.Sepkoski, J. J. Jr., and Miller, A. I. 1982. Cladographic ecology and the study of Paleozoic marine faunas. American Association for the Advancement of Science, Pacific Division, 63rd annual meeting, Proceedings, p. 46.Google Scholar
39.Kirschvink, J. L., Kirk, R., and Sepkoski, J. J. Jr. 1982. Digital image enhancement of Ediacaran fossils: a first try. Geological Society of America Abstracts with Programs 14:530.Google Scholar
40.Sepkoski, J. J. Jr. 1982. The continental fossil record. Chart. (Privately published.).Google Scholar
41.Raup, D. M., Sepkoski, J. J. Jr., and Stigler, S. M. 1983. Mass extinction in the fossil record (technical comment). Science 219:1240–1241.Google Scholar
42.Sepkoski, J. J. Jr., and Sheehan, P. M. 1983. Diversification, faunal change, and community replacement during the Ordovician radiations. Pp. 673–717in Tevesz, M. J. S. and McCall, P. L., eds. Biotic interactions in Recent and fossil benthic communities. Plenum, New York.Google Scholar
43.Jablonski, D., Sepkoski, J. J. Jr., Bottjer, D. J., and Sheehan, P. M. 1983. Onshore-offshore patterns in the evolution of Phanerozoic shelf communities. Science 222:1123–1125.Google Scholar
44.Sepkoski, J. J. Jr., and Knoll, A. H. 1983. Precambrian-Cambrian Boundary: the spike is driven and the monolith crumbles. Paleobiology 9:199–206.Google Scholar
45.Sepkoski, J. J. Jr., and Yochelson, E. L. 1983. Evolutionary and geologic problems at the Precambrian-Cambrian boundary: historical perspectives. American Association for the Advancement of Science, 149th annual meeting, Abstracts of papers, p. 39.Google Scholar
46.Sepkoski, J. J. Jr. 1983. Evolution of diversity in marine and continental biotas. Geological Society of America Abstracts with Programs 15:684.Google Scholar
47.Sepkoski, J. J. Jr., and Raup, D. M. 1983. Distribution of mass extinctions in geologic time. Abstracts for conference on dynamics of extinction, Flagstaff, Ariz. Northern Arizona University, Flagstaff.Google Scholar
48.Raup, D. M., and Sepkoski, J. J. Jr. 1984. Periodicity of extinctions in the geologic past. Proceedings of the National Academy of Sciences USA 81:801–805.Google Scholar
49.Sepkoski, J. J. Jr. 1984. A kinetic model of Phanerozoic taxonomic diversity III. Post-Paleozoic families and mass extinctions. Paleobiology 10:246–267.Google Scholar
50.Woodbury, B. D., and Sepkoski, J. J. Jr. 1984. Diversity and faunal patterns of endo- and epibiont communities through the Phanerozoic. American Zoologist 24(3):145A.Google Scholar
51.Sepkoski, J. J. Jr. 1984. Response for the Schuchert Award, November 1, 1983. Journal of Paleontology 58:910–911.Google Scholar
52.Sepkoski, J. J. Jr. 1984. Evolution of diversity. McGraw-Hill Yearbook of Science and Technology 1985:314–317.Google Scholar
53.Raup, D. M., and Sepkoski, J. J. Jr. 1984. Publishing chronology (Correspondence). Nature 309:300.Google Scholar
54.Jablonski, D., Sepkoski, J. J. Jr., Bottjer, D. J., and Sheehan, P. M. 1984. Biological diversity (Letters). Science 224:1294.Google Scholar
55.BambachR., K. R., K., Briggs, J. C., Clemens, W. A., Niklas, K. J., Padian, K., Raup, D. M., Raven, P. H., Russell, D. A., Sepkoski, J. J. Jr., and Valentine, J. W. 1985. Geologic history of complex organisms. In Milne, D. et al., eds. The evolution of complex and higher organisms. NASA Special Publication 478:27–65.Google Scholar
56.Sepkoski, J. J. Jr. 1985. Some implications of mass extinctions for the evolution of complex life. Pp. 223–232in Papagiannis, M. D., ed. The search for extraterrestrial life: recent developments. D. Reidel, Dordrecht.CrossRefGoogle Scholar
57.Sepkoski, J. J. Jr., and Hulver, M. L. 1985. An atlas of Phanerozoic clade diversity diagrams. Pp. 11–39in Valentine, J. W., ed. Phanerozoic diversity patterns: profiles in macroevolution. Princeton University Press and Pacific Division, American Association for the Advancement of Science, Princeton, N.J.Google Scholar
58.Sepkoski, J. J. Jr., and Miller, A. I. 1985. Evolutionary faunas and the distribution of Paleozoic benthic communities in space and time. Pp. 153–190in Valentine, J. W., ed. Phanerozoic diversity patterns: profiles in macroevolution. Princeton University Press and Pacific Division, American Association for the Advancement of Science, Princeton, N.J.Google Scholar
59.Sepkoski, J. J. Jr., and Raup, D. M. 1985. Periodicity in mass extinctions: recent paleontological developments. IGCP 199 meeting, Gwatt, Switzerland.Google Scholar
60.Sepkoski, J. J. Jr., and Raup, D. M. 1985. Periodicity in marine extinction events. EOS 66:813.Google Scholar
61.Sepkoski, J. J. Jr., and Crane, P. R. 1985. Introduction to the tenth anniversary issue of Paleobiology. Paleobiology 11:1.Google Scholar
62.Sepkoski, J. J. Jr. 1985. Early animals. Review of M. F. Glaessner, Dawn of Animal Life. Science 227:1218–1219.Google Scholar
63.Sepkoski, J. J. Jr., and Raup, D. M. 1986. Periodicity in marine extinction events. Pp. 3–36in Elliott, D., ed. Dynamics of extinction. Wiley, New York.Google Scholar
64.Raup, D. M., and Sepkoski, J. J. Jr. 1986. Periodic extinctions of families and genera. Science 231:833–836.Google Scholar
65.Sepkoski, J. J. Jr., and Raup, D. M. 1986. Was there 26-Myr periodicity of extinctions? (Matters Arising). Nature 321:533.CrossRefGoogle Scholar
66.Sepkoski, J. J. Jr. 1986. Global bioevents and the question of periodicity. In Walliser, O. H., ed. Global bio-events. a critical approach. Lecture Notes in Earth Sciences 8:47–61. Springer, Berlin.Google Scholar
67.Flessa, K. W., Erben, H. R., Hallam, A., Hsu, K. J., Hussner, H. M., Jablonski, D., Raup, D. M., Sepkoski, J. J. Jr., Soule, M. E., Sousa, W., Stinnesbeck, W., and Vermeij, G. J. 1986. Causes and consequences of extinction. Pp. 235–257in Raup, D. M. and Jablonski, D., eds. Patterns and processes in the history of life (Dahlem Konferenzen 1986). Springer, Berlin.Google Scholar
68.Sepkoski, J. J. Jr. 1986. Phanerozoic overview of mass extinction. Pp. 277–295in Raup, D. M. and Jablonski, D., eds. Patterns and processes in the history of life (Dahlem Konferenzen 1986). Springer, Berlin.Google Scholar
69.Sepkoski, J. J. Jr. 1986. The fossil record of evolution: data on diversification and extinction. NASA Conference Publication 2425:103.Google Scholar
70.Sepkoski, J. J. Jr. 1986. Environmental trends in extinction during the Paleozoic. Geological Society of America Abstracts with Programs 18:746.Google Scholar
71.Miller, A. I., and Sepkoski, J. J. Jr. 1986. Modeling bivalve diversification: the effect of competition on macroevolutionary systems. Geological Society of America Abstracts with Programs 18:695.Google Scholar
72.Sepkoski, J. J. Jr. 1987. Environmental trends in extinction during the Paleozoic. Science 235:64–66.Google Scholar
73.Sepkoski, J. J. Jr. 1987. Reply to C. Patterson and A. B. Smith, “Is the periodicity of extinctions a taxonomic artefact?” Nature 330:251–252.Google Scholar
74.Erwin, D. H., Valentine, J. W., and Sepkoski, J. J. Jr. 1987. A comparative study of diversification events: the early Paleozoic versus the Mesozoic. Evolution 41:1177–1186.Google Scholar
75.Thierstein, H. R., Hallam, A., Hemleben, C., Herm, D., Kirschvink, J. L., Kitchell, J. A., Laj, C., Lipps, J. H., Saite, T., Sepkoski, J. J. Jr., and Schlanger, S. O. 1987. Program EPOC: evolutionary processes in oceanic communities. Pp. 107–121in Report of the second conference on scientific ocean drilling (COSOD II). European Science Foundation and Joint Oceanographic Institutions for Deep Earth Sampling.Google Scholar
76.Sepkoski, J. J. Jr. 1987. Periodicity of mass extinction: new data and observations. NASA space life sciences symposium: three decades of life science research in space. Abstracts, pp. 365–366.Google Scholar
77.Sepkoski, J. J. Jr. 1987. Alpha, beta, or gamma—where does all the diversity go? Geological Society of America Abstracts with Programs 19:838.Google Scholar
78.Sepkoski, J. J. Jr. 1987. Periodicity in extinction. AnthroQuest (L. S. B. Leakey Foundation News) 37:19–22.Google Scholar
79.Raup, D. M., and Sepkoski, J. J. Jr. 1988. Testing for periodicity of extinction (technical comment). Science 241:94–96.Google Scholar
80.Sepkoski, J. J. Jr. 1988. Alpha, beta, or gamma—where does all the diversity go? Paleobiology 14:221–234.Google Scholar
81.Miller, A. I., and Sepkoski, J. J. Jr. 1988. Modeling bivalve diversification: the effect of interaction on a macroevolutionary system. Paleobiology 14:364–369.Google Scholar
82.Sepkoski, J. J. Jr. 1988. Patterns of diversity exhibited by the known Proterozoic record. The Proterozoic biosphere: a multidisciplinary study, August 20–22, 1988, PPRG-P, UCLA, Los Angeles, Abstracts, pp. 57–58.Google Scholar
83.Sepkoski, J. J. Jr. 1988. Periodicity in extinction: a 1988 update. Global catastrophes in earth history: an inter-disciplinary conference on impacts, volcanism, and mass mortality, Abstract volume. Lunar and Planetary Institute Contribution 673:170–171.Google Scholar
84.Sepkoski, J. J. Jr. 1988. Presentation of the Charles Schuchert Award to A. H Knoll. Journal of Paleontology 62:489–490.Google Scholar
85.Sepkoski, J. J. Jr. 1988. Extinctions of life. Los Alamos Science 16:36–49.Google Scholar
86.Sepkoski, J. J. Jr. 1989. Periodicity in extinction and the problem of catastrophism in the history of life. Journal of the Geological Society, London 146:7–19.Google Scholar
87.Sepkoski, J. J. Jr. 1989. Extinction events in the fossil record: an overview. Geological Society of America Abstracts with Programs 21(4):A47.Google Scholar
88.Sepkoski, J. J. Jr. 1989. The importance of extinction resistance in onshore-offshore changes in faunal dominance during evolutionary radiations. Geological Society of America Abstracts with Programs 21(6):A30.Google Scholar
89.Valentine, J. W., Tiffney, B. H., and Sepkoski, J. J. Jr. 1989. The evolutionary dynamics of plants and animals: a comparative approach. Geological Society of America Abstracts with Programs 21(6):A146.Google Scholar
90.Sepkoski, J. J. Jr. 1990. Evolutionary faunas. Pp. 37–41in Briggs, D. E. G. and Crowther, P. R., eds. Paleobiology: a synthesis. Blackwell Scientific, Oxford.Google Scholar
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92.Sepkoski, J. J. Jr. 1990. The taxonomic structure of periodic extinction. In Sharpton, V. and Ward, P., eds. Global catastrophes in earth history. Geological Society of America Special Paper 247:33–44.Google Scholar
93.Sepkoski, J. J. Jr. 1990. Diversity in the marine fossil record. American Association for the Advancement of Science, 156th national meeting, Abstracts of papers, p. 83.Google Scholar
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95.Sepkoski, J. J. Jr. 1990. The fossil record of evolution: data on diversification and extinction. Fourth symposium on chemical evolution and the origin and evolution of life, Abstracts, p. 69.Google Scholar
96.Sepkoski, J. J. Jr. 1990. Evolutionary radiations and onshore-offshore diachroneity in faunal change. IGCP 226 and 303, Global biological events, Abstracts, p. 2.Google Scholar
97.Valentine, J. W., Tiffney, B. H., and Sepkoski, J. J. Jr. 1991. Evolutionary dynamics of plants and animals: a comparative approach. Palaios 6:81–88.Google Scholar
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99.Sepkoski, J. J. Jr. 1991. A model of onshore-offshore change in faunal diversity. Paleobiology 17:58–77.Google Scholar
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104.Sepkoski, J. J. Jr. 1991. Biodiversity and extinction in the ocean through time. National forum on ocean conservation, Smithsonian Institution, Washington, D.C, Abstracts, p. 18.Google Scholar
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109.Bambach, R. K., and Sepkoski, J. J. Jr. 1992. Historical evolutionary information in the traditional Linnean hierarchy. Fifth North American paleontological convention, Abstracts with program. Paleontological Society Special Publication 6:16.Google Scholar
110.Sepkoski, J. J. Jr., and Miller, A. I. 1992. Patterns of diversity on the Paleozoic shelf: implications for controls of clade history. Fifth North American paleontological convention, Abstracts with program. Paleontological Society Special Publication 6:266.Google Scholar
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115.Sepkoski, J. J. Jr. 1993. Ten years in the library: new paleontological data confirm evolutionary patterns. Paleobiology 19:43–51.Google Scholar
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117.Labandeira, C. C., and Sepkoski, J. J. Jr. 1993. Insect diversity in the fossil record. Science 261:310–315.Google Scholar
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120.Sepkoski, J. J. Jr. 1993. Frustration with extinction. SEPM meeting, Abstracts with program, p. 45.Google Scholar
121.Sepkoski, J. J. Jr. 1993. Phanerozoic diversity at the genus level: problems and prospects. Geological Society of America Abstracts with Programs 25(6):A50.Google Scholar
122.Sepkoski, J. J. Jr. 1993. Foundations: life in the oceans. Pp. 36–63in Gould, S. J., ed. The book of life. Norton, New York.Google Scholar
123.Sepkoski, J. J. Jr. 1993. Review ofBourriac, J., ed. Understanding Catastrophe. Journal of Geology 101:821.Google Scholar
124.Sepkoski, J. J. Jr. 1994. Limits to randomness in paleobiologic models: the case of Phanerozoic species diversity. Acta Palaeontologica Polonica 38:175198.Google Scholar
125.Sepkoski, J. J. Jr. 1994. Extinction and diversification of complex life. Fifth exobiology symposium and Mars workshop, Abstracts.Google Scholar
126.Boyajian, G. E., and Sepkoski, J. J. Jr. 1994. Completeness of the marine fossil record. Geological Society of America Abstracts with Programs 26(7):A123.Google Scholar
127.Sepkoski, J. J. Jr. 1994. The double wedge revisited: how should competitive displacement look? Geological Society of America Abstracts with Programs 26(7):A175.Google Scholar
128.Sepkoski, J. J. Jr. 1994. Extinction and the fossil record. Geotimes 39:1517.Google Scholar
129.Sepkoski, J. J. Jr. 1994. What I did with my research career: or how research on biodiversity yielded data on extinction. Pp. 132–144in Glen, W., ed. The mass-extinction debates: how science works in a crisis. Stanford University Press, Stanford, Calif.Google Scholar
130.Sepkoski, J. J. Jr. 1995. The Ordovician radiations: diversification and extinction shown by global genus-level taxonomic data. Pp. 393–396in Cooper, J. D., Droser, M. L., and Finey, S. C., eds. Ordovician odyssey: short papers for the seventh international symposium on the Ordovician System. Pacific Section, Society for Sedimentary Geology (SEPM).Google Scholar
131.Sepkoski, J. J. Jr. 1995. Recoveries of global biodiversity after mass extinctions. Geological Society of America Abstracts with Programs 27(6):A165.Google Scholar
132.Sepkoski, J. J. Jr. 1995. Life from the beginning. Review of S. Bengtson, ed. Early Life on Earth. Science 268:1206–1207.Google Scholar
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