basis of recordClarke, Andrew; Johnston, Nadine M. (2003). Antarctic marine benthic diversity. <em>Oceanography and Marine Biology: an Annual Review.</em> 41: 47-114. (look up in IMIS) [details] Available for editors
additional sourceKott, P. (1969). Antarctic ascidiacea. A monographic account of the known species based on specimens collected under U.S. Government auspices 1947 to 1963. <em>Antarct. Res. Ser.</em> 13 : 1-239.[details] Available for editors