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merostomata |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Merostomata \Mer`o*stom"a*ta\, n. pl [NL., fr Gr ? thigh + ?, -?, mouth.] (Zo["o]l.) 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}. From WordNet r 1.6 [wn]: Merostomata n : used in some classifications; includes the orders Xiphosura and Eurypterida [syn: {Merostomata}, {class Merostomata}]
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