Observations on non-didemnid ascidians from Australian waters (1) Author Kott, Patricia text Journal of Natural History 2006 2006-04-26 40 3 - 4 169 234 http://dx.doi.org/10.1080/00222930600621601 journal article 10.1080/00222930600621601 1464-5262 5232431 Pyura gangelion ( Savigny, 1816 ) (see Kott 2004 ): 18.825–19.035 ° S, 146.345–146.545 ° E, depth 9–11 m .