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Noun

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stylonurine (plural stylonurines)

  1. Any eurypterid sea scorpion of the suborder †Stylonurina.
    • 2015 September 1, James C. Lamsdell et al., “The oldest described eurypterid: a giant Middle Ordovician (Darriwilian) megalograptid from the Winneshiek Lagerstätte of Iowa”, in BMC Evolutionary Biology[1], volume 15, →DOI:
      The genus Alkenopterus Størmer, 1974 is also included for the first time, as it has been shown to be a basal representative of the Eurypterina [ 46 ] rather than a stylonurine as previously interpreted [ 47 ].