Mammals:	¤   Mammals of the world
	¤   Mammal Species of the World
Birds:	¤   Families of the world
	¤   Current valid scientific avian names
	¤   World list of bird names
	¤   Avibase
	¤   Birds of the world
	¤   Bird names translation
	¤   AviBase
¤   List of Holarctic birds
Reptiles:	¤   The EMBL reptile database
	¤   Checklist
	¤   Crocodilians
Amphibians:	¤   AmphibiaWeb
	¤   World species list [hyperlinks]
Fishes:	¤   Catalog of Fishes On-Line
	¤   FishBase
	¤   Fish collection - Smithsonian
	¤   Fish biodiversity in the Neotropics
	¤   Ichthyological MUSE databases
	¤   Selachoidea (sharks)

Insects:	¤   Insect families
	¤   Insects of Nearctica
	¤   Coleoptera: Caraboidea (Nearctica)
	¤   Collembola
	¤   Diptera: Families and common names
	¤   Diptera: Asilidae
	¤   Lepidoptera
	¤   Hymenoptera: Formicidae
	¤   Hymenoptera: Vespidae
	¤   Mecoptera
	¤   Odonata
	¤   Orthoptera
	¤   Orthoptera
	¤   Orthoptera: Tettigonioidea [CD-ROM]
	¤   Siphonaptera [under construction]
	¤   Trichoptera
	¤   Zoraptera
Chelicerata:	¤   Acari: Orders and families
	¤   World Spider Catalog
	¤   Arachnida: Orders and families
	¤   Scorpiones
Brachiopods:	¤   Brachiopoda: Genera
Crustaceans:	¤   Isopoda
Molluscs:	¤   European marine Mollusca
	¤   CephBase
	¤   Aplacophora

General:	¤   Index Synonymique de la Flore de France
	¤   Florenliste von Baden-Württemberg
	¤   Kew Index
	¤   FloraWeb - Daten und Informationen zur Vegetation Deutschlands
	¤   International Plant Names Index
	¤   Index Herbariorum
	¤   Botanical Collections - Checklist & Flora
	¤   Tel Aviv Herbarium (TELA): List of collections
	¤   Harvard (Database on collectors)
	¤   BGBM: Systematic
	¤   Botanikus
	¤   Fruits and Seeds
	¤   Leguminosa
	¤   Fungi
	¤   Algae