List of the studied authors
Kovalev & Schmeleva, 1982 (p.83); Greze & al., 1985 (p.7); Siokou-Frangou, 1997 (tab.1); Razouls & al., 2000 (p.343, Appendix); Uysal & al., 2002 (p.17, tab.1); Vukanic, 2003 (139, tab.1); Selifonova & al., 2008 (p.305, Tabl. 2); Selifonova, 2011 a (p.77, Table 1, alien species in Black Sea); Uysal & Shmeleva, 2012 (p.909, Table I); Gubanova & al., 2013 (in press, p.4, Table 2); Belmonte, 2018 (p.273, Table I: Italian zones)