WRiMS (2021). Chordata. Accessed at: http://www.marinespecies.org/introduced/aphia.php?p=taxdetails&id=1821 on 2021-03-09
Rius, M.; Ahyong, S.; Costello, M. J.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Katsanevakis, S.; Lejeusne, C.; Marchini, A.; Occhipinti, A.; Pagad, S.; Poore, G. C. B; Robinson, T. B.; Sterrer, W.; Turon, X.; Willan, R. C.; Zhan, A. (2021). World Register of Introduced Marine Species (WRiMS). Chordata. Accessed at: http://marinespecies.org/introduced/aphia.php?p=taxdetails&id=1821 on 2021-03-09
basis of recordMargulis, L.; Schwartz, K.V. (1998). Five Kingdoms: an illustrated guide to the Phyla of life on earth. 3rd edition. Freeman: New York, NY (USA). ISBN 0-7167-3027-8. xx, 520 pp. (look up in IMIS) [details]
additional sourceMargulis, L.; Schwartz, K.V. (1982). Five Kingdoms : an illustrated guide to the phyla of life on earth. Second edition. Freeman. (look up in IMIS) [details]
additional sourceLankester, E.R. (1877). Notes on the Embryology and classification of the Animal kingdom: comprising a revision of speculations relative to the origin and significance of the germ-layers. <em>Quarterly Journal of Microscopical Science.</em> 17(68): 399-454., available online athttp://jcs.biologists.org/content/s2-17/68/399.full.pdf[details]
Present Inaccurate Introduced: alien Containing type locality