basis of record
Jefferson, T.A.; Leatherwood, S.; Webber, M.A. (1993). Marine mammals of the world. <em>FAO Species identification guide.</em> FAO: Rome, Italy. ISBN 92-5-103292-0. VIII, 320 pp. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Classification There is yet no agreement on the rank that this clade should have [details]
