English edit

Etymology edit

quincunxial +‎ -ly

Adverb edit

quincunxially (not comparable)

  1. In a quincunxial fashion.
    • 1996, Patricia Elizabeth Rasmussen, Trace metals in the environment: a geological perspective:
      Overtonia, type species Producta fimbriata Sowerby, 1824, is characterized externally by broad, regularly spaced concentric wrinkles, bearing elongate spine ridges on the ventral valve and quincunxially arranged erect spines on the dorsal valve []