Reference

Helge A. Thomsen, D.L. Garrison, C. Kosman (1997): Choanoflagellates (Acanthoecidae, Choanoflagellida) from the Weddell Sea, Antarctica, Taxonomy and Community Structure with Particular Emphasis on the Ice Biota; with Preliminary Remarks on Choanoflagellates from Arctic Sea Ice (Northeast Water Polynya, Greenland) – Archiv für Protistenkunde – 148_1997: 77 - 114.