Ascidiacea name details
original description
Ritter, W. E.; Forsyth, R. H. (1917). Ascidian of the littoral zone of southern California. <em>Univ. California Publ., Zool.</em> 16: 439-512. [details]
additional source
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]
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