polar lacuna

These user-created lists contain the word ‘polar lacuna’.

• Palynology

  List of terms used in the study and classification of pollen and spores - both fossil and modern.
  
  

  tetrad, abporal, ectoaperture, lacuna, grain, spore, lophate, acalymmate, monad, polyad, hexad, calymmate and 513 more...