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Arthropods
Invertebrates belonging to the largest phylum of animals, Arthropoda, with an exoskeleton, segmented bodies, and jointed appendages, including many subphyla and classes, such as insects, crustaceans, horseshoe crabs, sea spiders, centipedes, millipedes, and the extinct trilobites.
Subtopics:
Arachnids (1 items)
Crustaceans (11 items)
Insects (20 items)
Trilobites (1 items)
Related topics:


Results 1 - 10 of 32 listed by similarity [list alphabetically]
Apoidea -- Bees and Sphecid Wasps [More info]
Guide to the identification, biology, and ecology of bees and sphecid wasps, mostly in eastern North America.
PDF Beyond the Golden Gate--oceanography, geology, biology, and environmental issues in the Gulf of the Farallones [More info]
A geologic and oceanographic study of the waters and Continental Shelf of Gulf of the Farallones adjacent to the San Francisco Bay region. The results of the study provide a scientific basis to evaluate and monitor human impact on the marine environment.
Biological resource status and trends: Coleoptera (beetles) [More info]
Information concerning status and trends of biological resources, focusing on Coleoptera (beetles)
Biological resource status and trends: Crustaceans [More info]
Information concerning status and trends of biological resources, focusing on Crustaceans
Biological resource status and trends: Diptera (flies) [More info]
Information concerning status and trends of biological resources, focusing on Diptera (flies)
Biological resource status and trends: Ephemeroptera (mayflies) [More info]
Information concerning status and trends of biological resources, focusing on Ephemeroptera (mayflies)
Biological resource status and trends: Hymenoptera (bees and wasps) [More info]
Information concerning status and trends of biological resources, focusing on Hymenoptera (bees and wasps)
Biological resource status and trends: Insects [More info]
Information concerning status and trends of biological resources, focusing on Insects
Biological resource status and trends: Lepidoptera (butterflies and moths) [More info]
Information concerning status and trends of biological resources, focusing on Lepidoptera (butterflies and moths)
Butterflies and moths of North America [More info]
Information on species of butterflies in North America with photos, checklists, distribution maps, aids to identification, and references.
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