The Rudists of Slovenia

http://www2.pms-lj.si/a-rudist.html

Cretaceous Fossils Gallery http://www.cretaceousfossils.com/invertebrates/pelecypods/clam_and_rudist_gallery.htm

A Paleontological database of rudists

http://www.ruhr-uni-bochum.de/sediment/rudinet/intro.htm

Rudist bivalves (an introduction)

http://www.fortunecity.com/greenfield/ecolodge/25/rudist.htm

American Scientist article on rudist reefs

http://www.amsci.org/articles/02articles/johnson.html