Biological Diversity: Animals
   A concise, illustrated overview of Kingdom Animalia and the organization of animal bodies.
   http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookDiversity_7.html

Digital Morphology
   A dynamic archive of information on digital morphology and high-resolution X-ray computed tomography of biological specimens. Includes slice-by-slice animations, animated volumetric and 3D surface renderings, introduction, references, links, and archival
   http://www.digimorph.org/

ExZOOberance
   A virtual zoo with photo galleries, web cams, news, and a zoo and aquarium directory.
   http://www.exzooberance.com/

FAUNA Paraguay
   Includes information and images of Paraguayan wildlife, a free on-line Paraguayan zoology journal, and information about birdwatching and wildlife tours.
   http://www.faunaparaguay.com

FaunaItalia
   A complete checklist of the whole Italian fauna, with over 57,400 species.
   http://faunaitalia.it/

Faunapolis
   Provides amateur naturalists with the opportunity to share their photographs and stories about the animals that co-exist with man in town, city or backyard.
   http://faunapolis.org

Guide to Marine Life of North Vancouver Island
   Original photographs for identification of the common species of marine creatures found throughout the Pacific Northwest.
   http://northislandexplorer.com/marinelifeguide.htm

Indian Fauna
   Searchable database that aims to provide accurate taxonomic and associated information about India's 81,000 known animal species.
   http://www.ncbi.org.in/biota/fauna/

Introduction to the Metazoa
   Information on the group's fossil record, life history, ecology, systematics and morphology, covering each group of organisms (each taxon).
   http://www.ucmp.berkeley.edu/phyla/phyla.html

Jellies Zone
   Guide to gelatinous zooplankton of the U.S. Pacific Coast, with photos and information on jellyfish (true jellies), comb jellies, gelatinous molluscs, and pelagic tunicates.
   http://jellieszone.com/

Macaulay Library Catalog
   Collection of animal recordings and associated video.
   http://www.animalbehaviorarchive.org/

Natural Perspective
   Highlights of the larger members of the animal kingdom (Animalia).
   http://www.perspective.com/nature/animalia/

Nematoda, Nematomorpha, Rotifera, Acanthocephala, Tardigrada and Pentastomida
   Descriptions of these phyla with photographs of certain example species
   http://www.emporia.edu/biosci/invert/lab4/

OzWildlife Australian Wildlife Photography
   Provides photographs and information covering a wide range of Australian wildlife including mammals, birds, reptiles, frogs, insects and spiders.
   http://ozwildlife.freehostia.com/

The Animal Diversity Web
   An online database of animal natural history, distribution, classification, and conservation biology
   http://animaldiversity.ummz.umich.edu/

The Animal Files
   Brief notes on the biology of about 50 animal species as well as their role in mythology, shamanism, and dream symbolism.
   http://www.dierinbeeld.nl/animal_files/

The Phyla of Kingdom Animalia
   Comprehensive outline of animal taxonomy, with links to descriptions of phyla and major classes and orders.
   http://www.abdn.ac.uk/~nhi708/classify/animalia/index.html

Worms
   Article by Wim van Egmond introducing oligochaetes, flatworms and nematodes with several photographs.
   http://www.microscopy-uk.org.uk/mag/wimsmall/worm.html