Ascidians collected during the 2013 Singapore Strait International Marine Biodiversity Workshop Author Lambert, Gretchen University of Washington Friday Harbor Laboratories, 620 University Road, Friday Harbor WA 98250, USA. Author Lee, Serina Siew-Chen 0000-0001-9326-0941 St John’s Island National Marine Laboratory, National University of Singapore, 18 Kent Ridge Road, Singapore 119227. & serina. lee @ nus. edu. sg; https: // orcid. org / 0000 - 0001 - 9326 - 0941 serina.lee@nus.edu.sg Author Teo, Serena Lay-Ming 0000-0002-3309-4715 St John’s Island National Marine Laboratory, National University of Singapore, 18 Kent Ridge Road, Singapore 119227. & tmsteolm @ nus. edu. sg; https: // orcid. org / 0000 - 0002 - 3309 - 4715 tmsteolm@nus.edu.sg text Zootaxa 2021 2021-02-18 4933 1 1 38 journal article 8063 10.11646/zootaxa.4933.1.1 8ebe62fc-b086-459e-b9fd-8a75ded875c7 1175-5326 4547842 56476487-ABC9-4C1C-A73F-D39E55DB9005 Polycarpa papillata Sluiter, 1885 Figure 10D #3796, single individual about 7 cm in length. White tunic with the typical irregular red patches especially around the siphons. Oral siphon at anterior end, atrial siphon a short distance posterior. All characters agree with detailed description in Lee et al . (2013) . Widely distributed in the tropical west Pacific: Indonesia , Philippines , Singapore , Sri Lanka , Madagastar, Solomon and Marianas Is., Palau , Mozambique , Somalia , Australia , Ponape , Majuro, Guam . References with detailed descriptions and illustrations: Tokioka (1970) , Millar (1975) , Kott (1985) , Monniot F. & Monniot C. (2001), Lee et al . (2013) . Other references: Nishikawa (1984) , Millar (1988) , Monniot C. & Monniot F. (1991), Lambert (2003) , Lee et al . (2016) .