Eurypterida | definition of Eurypterida by Medical dictionary
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eurypterid any large extinct scorpion-like aquatic arthropod of the order Eurypterida, found in the SILURIAN PERIOD.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive
The cheliceral claw of Acutiramus (Arthropoda: Eurypterida
): functional analysis based on morphology and engineering principles.
Ecydsis in sea scorpions (Chelicerata: Eurypterida
(2005) recently demonstrated that Megarachne servinei is an aquatic Eurypterida
. The giant Odonatoptera: Meganeuridae are the 'symbol' and best known of these 'giant' Car boniferous and Early Permian insects, with 34 described species.