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Invertebrates
Animals having no backbone or spinal column, such as insects, mollusks, crustaceans, worms, and similar organisms.
Subtopics:
Arthropods (31 items)
Bryozoans and brachiopods (1 items)
Coelenterates (8 items)
Conodonts (2 items)
Echinoderms (2 items)
Mollusks (11 items)
Sponges (2 items)
Worms (3 items)
Tunicates (2 items)
Related topics:


Results 11 - 20 of 47 listed by similarity [list alphabetically]
Biological resource status and trends: Insects [New Window]
Information concerning status and trends of biological resources, focusing on Insects
Biological resource status and trends: Lepidoptera (butterflies and moths) [New Window]
Information concerning status and trends of biological resources, focusing on Lepidoptera (butterflies and moths)
Biological resource status and trends: Mollusks [New Window]
Information concerning status and trends of biological resources, focusing on Mollusks
Butterflies and moths of North America [New Window]
Information on species of butterflies in North America with photos, checklists, distribution maps, aids to identification, and references.
Coastal and Marine Geology Program [New Window]
Home page for Coastal and Marine Geology with links to topics of interest (sea level change, erosion, corals, pollution, sonar mapping, and others), Sound Waves monthly newsletter, field centers, regions of interest, and subject search system.
Coral mortality and African dust [New Window]
Report with mini-movie and photos on the hypothesis that the atmospheric transport of dust arising from the desertification in northern Africa led to algal infestation of corals, coral diseases, and the near extinction of associated sea urchins.
Dragonflies and damselflies (Odonata) of the United States [New Window]
Manual on dragonflies and damselflies (Odonata), with links to photo thumbnails, checklists, distribution maps, and other Odonata information.
Early Paleozoic biochronology of the Great Basin, western United States [New Window]
Publication (PDF format) in three parts on the biostratigraphy and lithostratigraphy of the Ibexian Series in the North American Ordovician, with sections on the southern Egan Range, Nevada and the biostratigraphy of the eastern Great Basin.
Earthworms of North Dakota [New Window]
Species maps, aggregate map, earthworm diagram, species photos, and bibliography of earthworm species found in North Dakota
Florida Integrated Science Center - Gainesville [New Window]
Florida Integrated Science Center at Gainesville is the Center for Aquatic Resource Studies in Florida and southeastern United States. Site has links to projects on manatees, contaminants, invasive plants and animals, Everglades, and aquatic resources.
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