Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Eurypterida - extinct aquatic arthropods of the PaleozoicEurypterida - extinct aquatic arthropods of the Paleozoic
animal order - the order of animals
class Merostomata, Merostomata - used in some classifications; includes the orders Xiphosura and Eurypterida
eurypterid - large extinct scorpion-like arthropod considered related to horseshoe crabs
References in periodicals archive ?
2005) recently demonstrated that Megarachne servinei is an aquatic Eurypterida.
Order Eurypterida Burmeister, 1843 Family Adelophthalmidae Tollerton, 1989
Distribution and dispersal history of Eurypterida (Chelicerata).