Online fauna resources

Australian Faunal Directory (AFD)
This is a free online public enquiry database that provides taxonomic and biological information on the Australian fauna. The database is constantly being updated and expanded with addition of new data sets. At present about 98 per cent of described species are listed in the Australian Faunal Directory.
AFD biocode search (previously CAVS and CAAB):

Guide to the Marine Zooplankton of south eastern Australia
This interactive tool provides a comprehensive, fully illustrated means of identifying the major zooplankton from the seas of south eastern Australia.

Nematodes
This powerful electronic key and information package enables quick and accurate identification of Australian nematode species.

POLiKEY
POLiKEY is an interactive key and information system for polychaete families and higher taxa. It contains 104 polychaete taxa, comprising 17 higher-level taxa, 82 families and five subfamily groups.