Identifying and cataloging the worlds near shore flora and fauna may be fun but it is by no means easy. Here we have collected a selection of websites and databases to assist you. If you know of online catalogues you think we should include please let us know.

• General Taxonomy

  European Register of Marine Species
  Principales especies del macrobentos de las salinas
  Encyclopedia of Marine Life of Britain and Ireland
  Systema Naturae 2000
  The Tree of Life
  FaunaItalia checklist of Italian fauna
  COPEPOD online database

• Seaweed

  Seaweed Site
  Marine Botany
  Resource for Botany and Plant Ecology
  Algal Biodiversity: checklist of benthic marine macroalgae and seagrasses of Guam and Micronesia

• Polychaetes

  Polychétes Systeme Expert
  Polychaete Taxonomic by the Natural History Museum of London
  POLiKEY polychaeta families and higher taxa
  Italian Eunicidae
  Annelid Resources

• Mollusks

  Le conchiglie dei litorali veneziani
  THAIS.IT - malacologia
  BIVALVES
  Marine shells of Alboran Sea and North West Africa
  Censimento della Malacofauna Marina delle Coste Italiane
  CephBase - Cephalopod (Octopus, Squid, Cuttlefish)
  Micro Shells Homepage

• Crustaceans

  Crustacea.net (an information retrieval system for crustaceans of the World )
  Crustacean (Decapoda and Amphipoda)
  Keys to the North East Atlantic and Mediterranea Amphipods
  Guide to the Coastal Isopods of California

• Ascidians

  Ascidian Home Page for United States
  Dutch Ascidians Homepage

• Fish

  Fishbone

• Nematodes

  Nematodes (roundworms)
  Darwin Nematode Project Home
  ETI BioInformatics
  Nematode Net

• Echinoderms

  The CAS Echinoderm Web Page
  Virtual Echinoderm Newsletter
  Echinoid Home Page illustrated key to families and genera available
  Shell Classes