Science

Promotes public awareness of the four remaining species. Natural history, conservation, medical uses, education, sightings, stories, images, glossary, and bibliography.

Brief description of the class, from the Animal Diversity Web.

Information on these crabs, which have evolved little in the last 250 million years, their behavior and mating ritual.

Information on these crabs, family Limulidae, their anatomy, life cycle, ecological niche, spawning and medical uses.