Liste des auteurs étudiés
Sars, 1925 (p.301, figs.F); Rose, 1933 a (p.222, figs.F); Sewell, 1947 (p.198, 199); 1948 (p.504); Vervoort, 1965 (p.142,
Rem.); Matthews, 1972 (p.28); Roe, 1984 (p.359); Bradford-Grieve & al., 1999 (p.882, 940, figs.F); Vives & Shmeleva, 2007 (p.192, figs.F, Rem.)