Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Chilaria — (singular chilarium ) is a pair of reduced appendages located just posterior and medial to the last walking legs in Xiphosura (horseshoe crabs). The words originates from Greek and means small lips .Their function is unknown, and there is some… … Wikipedia
Xiphosura — Temporal range: Silurian–Recent … Wikipedia
horseshoe crab — a large marine arthropod, Limulus polyphemus, of shallow coastal waters of eastern North America and eastern Asia, having both compound and simple eyes, book gills, a stiff tail, and a brown carapace curved like a horseshoe: a living fossil… … Universalium
