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Merostomata

Top > Biology > Biota > Fauna > Arthropoda > Chelicerata > Merostomata

Merostomata is a class of marine Chelicerata which includes horseshoe crabs and eurypterids. It includes only four living species but dozens of fossil species mainly from the Paleozoic.


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Promotes public awareness of the four remaining species. Natural history, conservation, medical uses, education, sightings, stories, images, glossary, and bibliography.
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Brief description of the class, from the Animal Diversity Web.
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Brief profile of species biology and ongoing research, with a photo.
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Photographs and information on the biology and mating behavior of these creatures which are not closely related to true crabs.
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Information on these crabs, which have evolved little in the last 250 million years, their behavior and mating ritual.
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Information on this benthic crab, Limulus polyphemus, its life cycle, habitat and its commercial harvest, primarily for bait.
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Information on these crabs, family Limulidae, their anatomy, life cycle, ecological niche, spawning and medical uses.
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Exercise from Invertebrate Anatomy OnLine covering the systematics, natural history, external and internal anatomy and trilobite larva of this horseshoe crab.
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