Arthropoda is the largest phylum in the animal kingdom (kingdom Animalia) with members collectively characterized as having segmented bodies, jointed segmental limbs, and sclerotized integuments. Arthropoda has terrestrial and aquatic members including insects, ticks, crustaceans, and spiders.
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Amazonian Arachnida and Myriapoda
Contains background information on this publication. With photos and pricing guide.
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Animal Diversity Web Phylum Arthropoda
Provides information on the biggest grouping of species in the animal kingdom.
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Arthropoda (Bug-like Animals)
Kentucky Geological Survey offers brief overview of this group and subgroups, with drawings and links to additional resources.
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Arthropods in General
Provides a discussion of the members of the phylum including spiders, millipedes and other bugs.
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Ask a Marine Scientist: Answers to Arthropod Questions
Features information about lobsters and shrimps, crabs, barnacles, and general questions.
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Biological Survey of Canada Terrestrial Arthropods
Provides information in the initiative aimed at coordinating scientific research on the land-based members of the phylum.
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Biology of Arthropods
Presents a video of members of the phylum that was compiled over a ten-year period. From BioMedia Products.
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British Myriapod and Isopod Group
Provides information on the aims, activities and field meetings of this organization. With guide to membership and publications.
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Bug Pictures
Provides access to pictures of insects.
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Bugbios
Offers information on the non-insect members of this phylum. With pictures.
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BugGuide.net
Offers a collection of pictures for identifying insects, spiders and their kin.
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Cirrus Digital Imaging North American Insects and Spiders
Offers high-resolution pictures of members of the phylum found in the continent.
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Deep-Sea Pages: Deep-Sea Molluscs, Crustacea, and Pycnogonida
Features photos of these species. With information on eating behavior.
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Entomology Illustration Archive
Provides access to thousands of scientific drawings of insects at the Smithsonian National Museum of Natural History.
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Eurypterids.net
Presents information on these Palezoic arthropods based on fossil specimens.
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Florida Nature Arthropoda (Arthropods)
Features a taxonomic classification of species under this phylum.
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Freshwater Arthropods
Provides information on some non-marine representatives of the phylum. With illustrations.
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Introduction to the Arthropoda
Provides information on the most successful group of animals on the planet.
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Introduction to the Uniramia
Presents the biggest grouping of arthropods that includes millipedes, centipedes, insects and their kin. With links to related sites.
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Iowa State Entomology Index of Internet Resources
Presents a directory and search engine of insect-related sites. Includes journals and newsletters.
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Iowa State University Entomology Image Gallery
Presents the school's collection of images of insects. Includes plants.
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Kidport Reference Library Science Arthropods
Presents introductory information on these members of animal kingdom. With links and pictures.
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Micribiology and Immunology On-line Parasitology Arthropods
Discusses the members of the phylum that play a significant role in human diseases.
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Paleontology Portal: Arthropods
Provides basic facts on this phylum, with links to fossil images by period.
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Phylum Arthropoda Slides
Provides an educational tool for the teaching of the subject.
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Project ALAS Arthropods of La Selva
Presents a large scale inventory of arthropods that are found in tropical rainforests.
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Shape of Life Phylum Arthropoda
Provides information on the largest group in the animal kingdom. With links to related sites.
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Sonoran Arthropod Studies Institute
Private nonprofit organization aims to foster awareness, knowledge, and appreciation of the roles that arthropods play in the Sonoran Desert ecosystem.
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Spiders and Other Arthropods
Information on members of the phylum includes description and pictures. From the collections of the University of Idaho and Oregon State University.
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Tree of Life Arthropoda
Provides links to members of the phylum. With pictures.
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Trichomycetes: Fungal Associates of Arthropods
Provides information about this publication. With pricing information.