Reference
Bruton D L. Haas W. 1997. Functional morphology of Phacopinae (Trilobita) and the mechanics of enrollment. Palaeontographica Abteilung a Palaeozoologie- Stratigraphie 245(1-6): 1-43.
Eldredge, N. 1977. Trilobites and evolutionary patterns pp.305-332. in Hallan A, ed. Pattern of Evolution as Illustrated in the Fossil Record. Elsevier, Amsterdam
Foote M. 1997. Sampling, taxonomic description, and our evolving knowledge of morphological diversity. Paleobiology 23(2): 181-206.
Fortey, R.A. and Owens, R.A. 1990. The Trilobita as a natural group. Historical Biology 2:125-138
Levi-Setti, R.1993. Trilobites 2nd ed. Uninversity of Chicago Press: Chicago.
Patcher, K. 1998. TRILOBITES.....and their evolution through time. http://www.brookes.ac.uk/geology/8361/1998/kirsty/trilo.html
Pratt B R. . 1998. Probable predation on Upper Cambrian trilobites and its relevance for the extinction of soft-bodied Burgess Shale-type animals.Lethaia 31(1): 73-88.
Prothero, D.R. 1998 . Bringing Fossils to Life: An Introduction to Paleobiology. MacGraw-Hill Press: New York.
Whittington H.B. 1992. Trilobites. The Bodydell Press: New York.
Links
Kevin's Page of Death: http://www.ualberta.ca/~kbrett/
Trilo-Byte: http://plaza24.mbn.or.jp/~3youtyu/menu.html
Trilobites.com: www.trilobites.com; www.extinctions.com
How to identify fake fossils: http://www.stonecompany.com/encyc/trilobite/summary.html
Trilobite icons for Macintosh computer
image source of icons: www.trilobites.com