English edit

Etymology edit

hetero- +‎ valvate

Adjective edit

heterovalvate (not comparable)

  1. Having different (top and bottom) valves (of a diatom)
    • 2015 October 21, “Auxosporulation in Paralia guyana MacGillivary (Bacillariophyta) and Possible New Insights into the Habit of the Earliest Diatoms”, in PLOS ONE[1], →DOI:
      Filaments up to 32 cells long were observed, capped with live heterovalvate end-cells where each possessed one of the initial valves.