List of the studied authors
Sars, 1920 (p.2, Descr.F); 1925 (p.29, figs.F); Rose, 1933 a (p.85, figs.F); Vervoort, 1946 (p.152, Rem.); Sewell, 1948 (p.545, 550); Grice & Hulsemann, 1967 (p.21, figs.M); Damkaer, 1975 (p.41, Rem.); Brodsky & al., 1983 (p.268, figs.F,M); Vives & Shmeleva, 2007 (p.841, figs.F,M, Rem.)