the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [adjective] > belonging to class Chaetopoda > belonging to order Polychaeta > non-sexual (of part)
atokous1896
1896 Cambr. Nat. Hist.ii. 277 Ehlers employed the term ‘epitokous’, whilst he called the ‘Nereid’ phase ‘atokous’, under the impression that the worm did not become mature in this condition.