KnowraHorseshoe crabLinked fromLinked fromThe 15 pages that link to Horseshoe crab, each with the reason it gives.All 15Broader topic 9Related 2Compared with 4ArachnidCompared with: It is a close chelicerate relative, but it is not classified as an arachnid.Sea spiderCompared with: It is a marine chelicerate with a body plan sharply unlike the leg-dominated sea spider.JaekelopterusCompared with: Living horseshoe crabs offer a surviving chelicerate comparison, though they are not direct descendants of eurypterids.EurypterusCompared with: Its living chelicerate body plan is often compared with fossil sea scorpions.