Berry, W.B. N. and Murphy, M.A. 1975. Silurian and Devonian graptolites of central Nevada. University of California Publications in Geological Sciences, 110, 109 p.

Bischoff, G. C. O. and Sanneman, D. 1958. Unterdevonische Conodonten aus dem Frankenwald. Notizblatt des hessischen Landesamtes für Bodenforschung, 86: 87-110.

Bookstein, F.L. 1988. Random walk and the biometrics of morphological characters. Evolutionary Biology, 9:369-398.

Bookstein, F.L. 1991. Morphometric Tools for Landmark Data. Cambridge University Press, New York.

Branson, E. B. and Mehl, M. G. 1933. Conodonts from the Bainbridge Formation (Silurian) of Missouri. University of Missouri Studies, 8: 39-52.

Donoghue, P.C. J. 1988. Growth and patterning in the conodont skeleton. Philosophical Transactions of the Royal Society of London, Series B, 353:633-666.

Evola, G. M. 1983. Lower Devonian Ostracodes from the hesperius, eurekaensis, delta, and pesavis Zones of Central Nevada. Unpublished M.Sc. Theses, University of California Riverside.

Gould, S.J. 2001. The interrelationship of speciation and punctuated equilibrium, p. 196-217. In Jackson, J.B.C., Lidgard, S., and McKinney, F.K. (eds.), Evolutionary Patterns. Growth, Form, and Tempo in the Fossil Record, The University of Chicago Press, Chicago and London.

Gould, S.J. 2002. The Structure of Evolutionary Theory. The Belknap Press of Harvard University Press.

Johnson, J.G. 1970. Great Basin Lower Devonian Brachiopoda. Geological Society of America Memoir, 121, 421 pp.

Johnson, J.G. 1973. Mid-Lochkovian brachiopods from the Windmill Limestone of central Nevada. Journal of Paleontology, 47:1013-1030.

Johnson, J.G. and Murphy, M.A. 1984. Time-rock model for Siluro-Devonian continental shelf, western United States. Geological Society of America Bulletin, 95:1349-1359.

Murphy, M.A. and Berry, W.B.N. 1983. Early Devonian conodont-graptolite collation and correlations with brachiopod and coral zones, central Nevada. The American Association of Petroleum Geologists, 67:371-379.

Murphy, M.A. and Cebeçioglu, M.K. 1986. Statistical study of Ozarkodina excavata (Branson and Mehl) and O. tuma Murphy and Matti (Lower Devonian), Delta Zone, conodonts, Nevada. Journal of Paleontology, 60:865-869.

Murphy, M.A. and Matti, J.C. 1983. Lower Devonian conodonts (hesperius and kindlei Zones), central Nevada. University California Publications Geological Sciences, 123:1-82.

Murphy, M.A., Matti, J.C., and Walliser, O.H. 1981. Biostratigraphy and evolution of the Ozarkodina remscheidensis-Eognathodus sulcatus lineage (Lower Devonian) in central Nevada. Journal of Paleontology, 55:747-772.

Murphy, M.A. and Valenzuela-Ríos, J.I. 1999. Lanea new genus, lineage of Early Devonian, conodonts. Bollettino della Società Paleontologica Italiana, 37:321-334.

Murphy, M.A., Valenzuela-Ríos, J.I., and Carls, P. 2004. On classification of Pridoli (Silurian)-Lochkovian (Devonian) Spathognathodontidae (Conodonts). University of California, Riverside, Campus Museum Contribution, 6:1–25.

Reyment, R. and Jöreskog, K. G. 1996. Applied Factor Analysis in the Natural Sciences. Cambridge University Press.

Roopnarine, P.D. 2001. The description and classification of evolutionary mode: a computational approach. Paleobiology, 27:446-465.

Roopnarine, P.D. 2002. Empiricism at all levels. Trends in Ecology and Evolution, 17:441-442.

Roopnarine, P.D., Byars, G., and Fitzgerald, P. 1999. Anagenetic evolution, stratophenetic patterns, and random walk models. Paleobiology, 25:41-57.

Roopnarine, P.D., Murphy, M.A., Buening, N., and Fitzgerald, P. 2001. A morphometric analysis of microevolutoinary mode in the lower devonian conodont lineage Ozarkodina" wurmi. PaleoBios, North American Paleontological Convention 2001. Programs and Abstracts. Supplement to volume 21.

Sampson, P.D., Bookstein, F. L., Sheehan, H., and Bolson, E. L. 1996. Eigenshape analysis of left ventricular outlines from contrast ventriculograms, p. 211-233. In Marcus, L. F., Corti, M., Loy, A., Naylor, G.J. P., and Slice, D. E. (eds.), Advances in Morphometrics, Plenum Press, New York and London.

Stanley, S. M. 1975. A theory of evolution above the species level. Proceedings of the National Academy of Sciences, USA, 72:646-650.

Sweet, W. C. 1988. The Conodonta. Morphology, Taxonomy, Paleoecology, and Evolutionary History of a Long-Extinct Animal Phylum. Number 10 in Oxford Monographs on Geology and Geophysics, Clarendon Press.