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Invertebrates
Animals having no backbone or spinal column, such as insects, mollusks, crustaceans, worms, and similar organisms.
Subtopics:
Arthropods (32 items)
Bryozoans and brachiopods (1 items)
Coelenterates (13 items)
Conodonts (2 items)
Echinoderms (2 items)
Mollusks (14 items)
Sponges (2 items)
Tunicates (2 items)
Worms (2 items)
Related topics:


Results 11 - 20 of 63 listed by similarity [list alphabetically]
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)
Biological resource status and trends: Mollusks [More info]
Information concerning status and trends of biological resources, focusing on Mollusks
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.
Coastal and Marine Geology Program [More info]
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.
PDF Coral Diseases Following Massive Bleaching in 2005 Cause 60 Percent Decline in Coral Cover and Mortality of the Threatened Species, Acropora Palmata, on Reefs in the U.S. Virgin Islands [More info]
Record-high seawater temperatures and calm seas in the summer of 2005 led to the most severe coral bleaching (death) ever observed in the U.S. Virgin Islands.
Coral mortality and African dust [More info]
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.
PDF Corals as climate recorders [More info]
Shows how coral reef specimens are collected, the type of information gained from them, and the methods by which they are measured and studied to understand recent (past few centuries) changes in climate.
PDF Detailed seafloor habitat mapping to enhance marine-resource management [More info]
We conduct systematic imaging of reef habitats in order to provide regulatory agencies with information they need to decide whether those reefs should be designated as protected areas.
Dragonflies and damselflies (Odonata) of the United States [More info]
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 [More info]
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.
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