Liste des auteurs étudiés
Marsh, 1913 (p.4, figs.F,M); 1933 (p.33, figs.F,M, Rem.); Wright, 1936 (p.14, 16, fig.M); 1937 a (p.162, fig.M); Dussart & Defaye, 1983 (p.32); Grindley, 1984 (p.226); Walter, 1986 (p.131); 1986 a (p.503, fig.1); 1987 (p.366); 1989 (p.601, figs.F,M;
Rem.)