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Definition of Merostomata
1. Noun. Used in some classifications; includes the orders Xiphosura and Eurypterida.
Exact synonyms: Class Merostomata
Generic synonyms: Arthropod
Group relationships: Chelicerata, Superclass Chelicerata
Member holonyms: Order Xiphosura, Xiphosura, Eurypterida, Order Eurypterida
Generic synonyms: Arthropod
Group relationships: Chelicerata, Superclass Chelicerata
Member holonyms: Order Xiphosura, Xiphosura, Eurypterida, Order Eurypterida
Definition of Merostomata
1. 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.
Medical Definition of Merostomata
1.