Eurypterida


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Eurypterida

[‚yu̇r·əp′ter·ə·də]
(paleontology)
A group of extinct aquatic arthropods in the subphylum Chelicerata having elongate-lanceolate bodies encased in a chitinous exoskeleton.
References in periodicals archive ?
Nineteenth century collections of Pterygotus anglicus Agassiz (Chelicerata; Eurypterida) from the Campbellton Formation, New Brunswick, Canada.
Phylogeny and palaeoecology of the Adelophthalmoidea (Arthropoda; Chelicerata; Eurypterida).
Distribution and dispersal history of Eurypterida (Chelicerata).