basis of record
van der Land, J. (2001). Tetrapoda, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 375-376 (look up in IMIS) [details]
additional source
Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database