Found 2 items, similar to Merostomata.
English → English (WordNet) Definition: Merostomata Merostomata n : used in some classifications; includes the orders Xiphosura and Eurypterida [syn: class Merostomata]
English → English (gcide) Definition: Merostomata Merostomata \Mer`o*stom"a*ta\, prop. n. pl. [NL., fr. Gr. me`ros 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 (Limulus) of the last group. See Limulus. [1913 Webster]