horseshoe crab

== English == === Etymology === From horseshoe +‎ crab, referencing this animal's horseshoe-like shape. === Noun === horseshoe crab (plural horseshoe crabs) Any extinct or extant chelicerate in the order Xiphosura, actually more related to arachnids than true crabs. Synonym: xiphosuran (especially) Any extant xiphosuran in the family Limulidae. Synonym: king crab ==== Translations ==== === References === horseshoe crab on Wikipedia.Wikipedia Limulus on Wikispecies.Wikispecies Category:Limulus on Wikimedia Commons.Wikimedia Commons