(n.pl.) A class of Arthropoda, allied to the Crustacea. It includes the trilobites, Eurypteroidea, and Limuloidea. All are extinct except the horseshoe crabs of the last group. See Limulus.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). merostomata. Retrieved September 25, 2026, from http://smartdefine.org/merostomata/definitions/2031967 |
| Chicago | Webster's. 2011. "merostomata" http://smartdefine.org/merostomata/definitions/2031967 (accessed September 25, 2026). |
| Harvard | Webster's 2011, merostomata, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/merostomata/definitions/2031967>. |
| MLA | Webster's. "merostomata" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/merostomata/definitions/2031967> |