original description
Hartmeyer, R. (1911). Die ascidien der deutschen Sudpolar-Expedition, 1901-1903. <em>Deutsche Sudpolar-Expedition.</em> 12: 403-606. [details] 
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
basis of record
Clarke, 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 source
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]
additional source
Van Name, W. G. (1945). The North and South American ascidians. <em>Bull. Amer. Mus. Nat. Hist.</em> 84: 1-476., available online at http://digitallibrary.amnh.org/dspace/handle/2246/1186 [details] 
additional source
Kott, P.; Bradford-Grieve, J.; Esnal, G.; Murdoch, R.C. (2009). Phylum Tunicata: sea squirts, salps, appendicularians, in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. pp. 409-430. [details] Available for editors 
From editor or global species database
Genetic nomenclature abbreviation Distud [details]