Directory of Merostomata Resources

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The Merostomata includes two distinct groups of marine organisms, the eurypterids (an extinct group that lived 200 to 500 million years ago) and the horseshoe crabs. The horseshoe crabs are also an ancient group; only 4 or 5 species (depending on who is counting) exist today.

Resources in This Category

• Horseshoe Crab: Limulus polyphemus

  http://www.arkive.org/horseshoe-crab/limulus-polyphemus/
  Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

• Horseshoe Crabs: The Ancient Mariner

  http://www.beach-net.com/horseshoe/Bayhorsecrab.html
  Information on these crabs, which have evolved little in the last 250 million years, their behavior and mating ritual.

• It's all about the Horseshoe Crab

  http://horseshoe-crabs.com/
  Videos, pictures and informative articles for the preservation and understanding of the American horseshoe crab.

• Merostomata

  http://animaldiversity.org/site/accounts/information/Merostomata.html
  Brief description of the class, from the Animal Diversity Web.

• The Amazing Horseshoe

  http://www.horseshoecrab.org/nh/hist.html
  Information on these crabs, family Limulidae, their anatomy, life cycle, ecological niche, spawning and medical uses.

• The Horseshoe Crab - Limulus polyphemus

  http://www.horseshoecrab.org/
  Promotes public awareness of the four remaining species. Natural history, conservation, medical uses, education, sightings, stories, images, glossary, and bibliography.

• The Horseshoe Crab - Limulus polyphemus

  http://marylandfisheries.fws.gov/horseshoe_crab.htm
  Brief profile of species biology and ongoing research, with a photo.

 

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