List of the studied authors
Sewell, 1947 (p.28, Rem.); Farran & Vervoort, 1951 a (n°33, p.3); Vervoort, 1963 b (p.85); Brodsky & al., 1983 (p.199, figs.F, Rem.); Michel, 1994 (p.180,
Rem.); Boxshall & Halsey, 2004 (p.141: fig.F); Vives & Shmeleva, 2007 (p.911, figs.F,M, Rem.); Andronov, 2014 (p.36, fig.: A2)