original description
Tokioka, T. (1949). Contribution to Japanese ascidian fauna. 2. Notes on some ascidians collected chiefly along the coast of Kii Peninsula. <em>Publ. Seto Mar. Biol. Lab.</em> 1(2): 39-64. [details] Available for editors
additional source
Monniot, C. (1994). <i>Pyura lignosa</i> (s.s.), a Pacific ascidian from Central America, with descriptions of species confused under this name. <em>Zoological Journal of the Linnean Society.</em> 110: 41-51. [details] Available for editors
From editor or global species database
Genetic nomenclature abbreviation Pyshii [details]