original description(ofPolycarpa abjornseni Michaelsen, 1927)Michaelsen, W. (1927). Einige neue westaustralische Ptychobranchiate Ascidien. <em>Zoologischer Anzeiger.</em> 71, 193–203.[details]
basis of recordKott, P. (1985). The Australian Ascidiacea part 1, Phlebobranchia and Stolidobranchia. <em>Mem Qd Mus.</em> 23: 1-440., available online athttp://biostor.org/reference/109626[details] Available for editors