What is another word for Family Limulidae?
Pronunciation: [fˈamɪli lˈɪmjʊlˌɪdiː] (IPA) 
The scientific name "Family Limulidae" refers to a group of marine arthropods also known as horseshoe crabs. These prehistoric-looking creatures have been around for millions of years and are found mainly in shallow ocean waters along the coasts of North America and Asia. Synonyms for Limulidae include "horseshoe crab family" and "Limulus family". There are four extant species within this family, including the Atlantic Horseshoe Crab and the Mangrove Horseshoe Crab. These fascinating creatures play an important role in medicine, as their blue blood is utilized in testing for bacterial contamination in vaccines and medical devices. Despite their name, horseshoe crabs are not true crabs, but are instead more closely related to spiders and scorpions.
