This category is for sites devoted to the largest of all animal phyla, Phylum Arthropoda. This phylum includes the insects, spiders, mites and ticks, crustaceans, centipedes, millipedes, isopods, and trilobites. The arthropods typically share a common body plan. They have an outer tough cuticle and they are divided into segments, each of which may carry jointed appendages. Often there is a head, thorax or trunk and an abdomen. They are an amazingly successful group of creatures and have been around since the Precambrian, 600 million years ago.

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Phylogeny, bibliography, and links from the Tree of Life Project.
Arthropods of Europe
Photo gallery of European insects and arachnids.
Brisbane Insects and Spiders
Photos and notes on insects and spiders in Brisbane, Australia.
Bug Pictures
Gallery of photos of insects and spiders, mainly from France.
An online resource devoted to insects, spiders and their kin, with identification help, images, and information.
Bugs in Cyberspace
Images and information on many species of arthropods. Sections on phasmids, mantids, beetles, scorpions, and US invertebrates.
Canadian National Collection of Insects, Arachnids and Nematodes
Information on the 16 million specimens contained in the collection, plus curatorial units and staff. Links to on-site entomology and arachnology documentation, and other related sites.
Cirrus Digital Imaging
Gallery of close-up photos of common North American arthropods.
Graphic Science
Image galleries of all major insect groups and other arthropods in Australia. Features the work of Australian macro insect photographer Denis Crawford. Invertebrates
Articles and links related to insects, arachnids, and other invertebrates.
Identification of Insects
An overview of morphological features of the different Classes of arthropods and Orders of insects, with photos of Italian arthropods by Alessandro Strano.
Insects of Ojibway Prairie, Windsor, Ontario
Photo galleries and information on spiders, chiggers, mayflies, fireflies, dragonflies, butterflies, moths, leafhoppers and other invertebrates of urban areas, wetlands, prairies, and woodlands.
Introduction to the Arthropoda
The Arthropods, the largest animal phylum, includes insects, spiders, crustaceans, and others. Information from UC-Berkeley website.
Introduction to the Cheliceramorpha
About the arthropod order that includes spiders and scorpions, mites and ticks, horseshoe crabs, and daddy-longlegs. Cheliceramorpha includes spiders and scorpions, mites and ticks, horseshoe crabs, daddy-longlegs, and extinct "sea-scorpions."
Iowa State University Entomology Image Gallery
A large collection of photographs and movies of insects and other arthropods and they damage they cause. Includes links to accompanying articles.
Phylum Arthropoda
Philip Myers's introduction to Phylum Arthropoda, from the Animal Diversity Web.
Reference Library of Digitized Insect Sounds
Audio samples organized by both species and subject.
What's That Bug?
Information, user-contributed images, and identification help for insects and relatives of North America.

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Last update:
October 18, 2016 at 7:15:14 UTC
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