Animalia

Original photographs for identification of the common species of marine creatures found throughout the Pacific Northwest.

Includes information and images of Paraguayan wildlife, a free on-line Paraguayan zoology journal, and information about birdwatching and wildlife tours.

Provides information on the different divisions of the animal kingdom and photographs of a selection of mammals, birds, reptiles, amphibians, fish and insects.

The ERMS project covers species of the kingdoms Animalia, Plantae, Fungi and Protoctista occurring in the marine environment including all the continental shelf seas of Europe.

Online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan.

Images of marine invertebrates, mammals, fish, birds and algae in the Seattle, Washington area.

Information, user-contributed images, and identification help for insects and relatives of North America.

Directory of the specialists working on brachiopods, recent publications, and systematics and taxonomy of the Brachiopoda.

Photographs of some live lamp shells and some fossil specimens.

Includes characteristics, biology and ecology.

Photographic study by Jean-Marie Cavanihac of the Arrow Worm.

Includes photographs and information on a wide range of mammals and reptiles from Canada, the United States and Mexico. Includes fact sheets and distribution maps.

A brief description of the phylum followed by a long list of annotated photographs.

Information from Wikipedia on this phylum of worm-shaped marine deuterostome organisms.

A useful guide to Australian marine molluscs, providing for each species a description and details of distribution, habitat and biology.

This site provides a searchable database that allows the user to search for taxonomic references by taxon, geographical locality, author or keyword.

Paper by David Gems examining the great variability in ageing patterns observed in different nematode species.

Information on the nematodes Ancylostoma duodenale and Necator americanus which can invade and parasatize humans, and a diagram and information on their life cycle.

Information on the classification of the ribbon worms with a photograph of Tubulanus rhabdotus.

An article by Floyd Sandford about the sponges that are carried around by hermit crabs.

Species list from the USGS on the nonindigenous sponges found in US waters, with factsheets and collection details.

Photographic article on the constituent parts of the jaws of this species.

Photographs and information on this genus of freshwater rotifers.

Information on the classification of the peanut worms with a photograph of Phascolopsis gouldii.

Introduction, taxonomy of the tardigrade genera, and a description of Pseudobiotus megalonys. In German and English.

A Time Magazine article that mentions Abbe Spallanzani, who discovered tardigrades in 1776, approaching the French philosopher Voltaire to ask about the soul of organisms that can be rehydrated and brought back to life.

Photographs and information on the natural history of this species.

Taxonomy reference information.

Article by Wim van Egmond introducing water fleas, ostracods and copepods with several excellent photographs.

Systematic and alphabetic list with detailed information on all the insect orders. From John R. Meyer's North Carolina State University Entomology class site.

Information on these crabs, which have evolved little in the last 250 million years, their behavior and mating ritual.

Photograph and information on this species, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances and community ecology.

Illustration and information on this species, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances and community ecology.

Illustration and information on this arborescent bryozoan, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances and community ecology.

Worldwide database compiled from the ornithological literature of birds with two different species as parents. Includes complete references for each species combination. In English, French, and Spanish.

Identification key and guide to all families of fishes in Puget Sound (Washington, USA).

Images, distribution maps and other data on North American freshwater fish.

Annotated checklists of Canadian, Iranian and Iraqi freshwater fish.

Photograph and article from Wikipedia on this barrel-shaped tunicate, including its distribution, nervous systems, relationships and classification.

Laboratory modules using sea urchin eggs to explore fertilization and development.

Illustrated article by Richard L. Howey considering how creatures with no brains, such as the sea urchin, react appropriately to their surroundings.

Rob Toonen's comments about the defense mechanisms of sea cucumbers.

Photographs and a description of this species.

Classification and images of cephalopods from the Tree of Life project.

Information about Architeuthus dux and an illustration.

Photographs and information on Nautilus and Allonautilus which are the last living genera of externally shelled cephalopods.

Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

Information from Wikipedia on this disease which is caused by the dog roundworm, Toxocara canis or the cat roundworm, Toxocara cattis.

Information from Wikipedia on this parasitic nematode, Enterobius vermicularis, that affects humans, its classification and life cycle.

Photographic study by Jean-Marie Cavanihac of these marine organisms.