Assertion: horseshoe crab | /r/HasProperty | –derived test
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Source sentences:
text: The horseshoe crab–derived test can be made from any one of the four extant species of horseshoe crab: Tachypleus tridentatus in Asia, T. gigas in Southeast Asia, Carcinoscorpius rotundicauda in Southeast Asia, and Limulus polyphemus in the Atlantic Ocean off North America .