The Internet Biodiversity Service <B>The Internet Biodiversity Service</B><P> </B><EM><B></B></EM><B>M. C. Boulter, D. Gee and H. C. Fisher</B><BR> Palaeobiology Unit, University of East London, Romford Road, London E15, UK<B></B><P> Our group at the University of East London pioneered the presentation of taxonomic databases on the internet. Our web site is at http://ibs.uel.ac.uk/ibs and contains descriptive and occurrence data for vascular plants, fish, mammals and fossils. Databases at different sites can be searched from our server and presented as reports and maps. Interactive programmes enable the data retrieved to be used to calculate rates of evolution and other features.<P>