original description
(of Psammaplidium paessleri Michaelsen, 1907) Michaelsen, W. (1907). Tunicaten. <em>In: Ergebnisse der Hamburger Magalhaensischen Sammedreise, 1892-1893. Hamburg.</em> 1: 1-84. [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 [request]
additional source
Monniot, C.; Monniot, F. (1983). Ascidies antarctiques et subantarctiques: morphologie et biogéographie. <em>Mémoires du Museum national d'Histoire naturelle.</em> 125, A, 1-168. [details] Available for editors [request]
additional source
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]
From editor or global species database
Genetic nomenclature abbreviation Appaes [details]