Figure 15.48. Illustrations of polycystine species. Asterisks denote figures given with the original species description.

Figure sources: 15.48a: from Nigrini (1967), by courtesy of the Scripps Institution of Oceanography; 15.48b: original; 15.48c: from Riedel (1958), by courtesy of the Mawson Antarctic Collection, University of Adelaide, Australia.