Horseshoe Crab - Offers an introduction to horseshoe crabs. Find out more about this 'living fossil' and take a short quiz about these critters. www.k12.de.us/warner/introhsc.html
Horseshoe Crab Facts - Contains facts about the oldest living fossil in Maryland, the Horseshoe Crab. www.dnr.state.md.us/fisheries/education/horseshoe/horseshoefacts.html
