http://trilobites.info
2005 Golden Trilobite Award (by the Paleontological association)!
Great recource devoted to understanding trilobites contains a wealth
of accurate and well-synthesysed information.

http://tech.groups.yahoo.com/group/trilobites2
YAHOO TRILOBITE CLUB. Chat room about trilobites. Trilobites around the world hang out there.

http://trilobiten.de
German website about trilobites. Informative forum, trilobites image gallery.

http://www.geocities.com/barracudaaa/index.html
Amazing trilobite web page belongs to Dr. Rudy Lerosey-Aubril. A lot of useful information about trilobites including list of articles for the last five years. Some of them with a free access!

http://trilobita.de
One more German web page concerning trilobites. Good and very lively forum.

http://www.toyen.uio.no/palmus/schmidt/index.html
Catalogue of the trilobites figured in Friedrich Schmidt’s "Revision der ostbaltischensilurischen Trilobiten" (1881-1907)