WoRMS taxon 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 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]
From editor or global species database
Genetic nomenclature abbreviation Eupsam [details]
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