English

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Noun

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sphaerexochine (plural sphaerexochines)

  1. Any trilobite of the genus Sphaerexochus.
    • 2012 November 16, IW Gapp, “Unraveling the phylogenetic relationships of the Eccoptochilinae, an enigmatic array of Ordovician cheirurid trilobites”, in PLOS One:
      The monophyly of this group has been discussed previously by Congreve and Lieberman, however these results suggest that the sphaerexochines may represent a paraphyletic grade within the traditionally defined Eccoptochilinae.