Taxonomic reasoning can be a useful organization paradigm to address issues dealing with the management of WWW bookmarks. Management of WWW bookmarks comprise one of the most frequent activities of WWW users. In this paper, “Babylon Bookmarks” are presented allowing users to apply taxonomic reasoning on WWW bookmarks. “Babylon Bookmarks” is based on the “Babylon System,” an infrastructure to support general taxonomic reasoning tasks. The “Babylon System” allows the development of arbitrary taxonomic services based on Open Hypermedia Specifications.