1378 Bibliography
--------1989. Vendozoa: organismic construction in the Proterozoic biosphere. Lethaia 22: 229-
239.
Selander, R. K., S. Y. Yang, R. C. Lewontin, and W. E. Johnson. 1970. Genetic variation in the
horseshoe crab (Limulus polyphetnus), a phylogenetic "relic." Evolution 24: 402-419.
Selzer, J. (ed.) 1993. Understanding Scientific Prose. Madison WI: Univ. of Wisconsin Press.
Sepkoski, J. J. 1982. A compendium of fossil marine families. Milwaukee Publ. Mus. Contrib.
Biol. Geol. 51: 1-25.
--------1988. Alpha, beta, or gamma—where does all the diversity go? Paleobiology 14: 221-
234.
--------1991. Population biology models in macroevolution. In N. L. Gilinsky and P. W. Signor,
eds., Analytical Paleontology. Paleont. Soc. Short Courses in Paleontology No. 4.
Knoxville TN, pp. 136-156.
--------1993. Ten years in the library: new data confirm paleontological patterns. Paleobiology
19: 43-51.
--------1996. Competition in macroevolution: the double wedge revisited. In D. Jablonski, D. H.
Erwin, and J. H. Lipps, eds., Evolutionary Paleobiology. Chicago IL: Univ. of Chicago
Press, pp. 211-255.
--------1997. Biodiversity: past, present, and future. Jour. Paleontol. 71: 533-539.
Sepkoski, J. J., F. K. McKinney, and S. Lidgard. 2000. Competitive displacement among post-
Paleozoic cyclostome and cheilostome bryozoans. Paleobiology 26: 7-18.
Sequeiros, L. 1981. La evolucion biologica, teoria en crisis. Razon y Fe, December, pp. 586-
593.
Seward, A. C. (ed.) 1909. Darwin and Modern Science. Essays in Commemoration of the
Centenary of the Birth of Charles Darwin. Cambridge UK: Cambridge Univ. Press.
Shalizi, C. R. 1998. Scientific models: claiming and validating. Santa Fe Institute Bulletin, pp.
9 - 10.
Shapiro, E. A. 1978. Natural selection in a Miocene pectinid: a test of the punctuated equilibria
model. Geol Soc. Am. Abstracts Annual Meeting 10: 490.
Shattuck, G. B. 1904. Geological and paleontological relations with a review of earlier
investigations. Maryland Geological Survey, Miocene Volume.
Shaw, A. B. 1969. Adam and Eve, paleontology and the non-objective arts. Jour. Paleontology
43: 1085-1098.
Sheehan, P. M. 1996. A new look at ecological evolutionary units (EEUs). Palaeogeog.
Palaeoclimat. Palaeoecol. 127: 21-32.
Sheehan, P. M., and T. A. Hansen. 1986. Detritus feeding as a buffer to extinction at the end of
the Cretaceous. Geology 14: 868-870.
Sheehan, P. M., D. E. Fastovsky, R. G. Hoffman, C. D. Berghan, and D. L. Gabriel. 1991.
Sudden extinction of the dinosaurs: Late Cretaceous, Upper Great Plains, USA. Science
254: 835-839.
Sheldon, P. R. 1987. Parallel gradualistic evolution of Ordovician trilobites. Nature 330:561-
563.
--------1990. Shaking up evolutionary patterns. Nature 345: 772.
--------1996. Plus 5a change—a model for stasis and evolution in different environments.
Palaeogeog. Palaeoclimatol. Palaeoecol. 127: 209-227.
Sheng, G., E. Thouvenot, D. Schmucker, D. S. Wilson, and C. Desplan. 1997. Direct regulation
of rhodopsin 1 by Pax-6/eyeless in Drosophila: evidence for a conserved function in
photoreceptors. Genes and Development 11: 1122-1131.
Shu, D., S. Conway Morris, X.-L. Zhang, L. Chen, Y. Li, and J. Han. 1999. A pipiscid-like
fossil from the Lower Cambrian of south China. Nature 400: 746-749.