List of the studied authors
Akatova, 1949 (p.351, fig. 5); Heron, 1964 (p.209, fig.M, Rem.); Wilson & Tash, 1966 (p.562); Shih & al., 1971 (p.208); Heron & Damkaer, 1976 (p.129, Table 2); Dussart & Defaye, 1983 (p.49); Kos, 2016 (p.72, figs. F, M, Rem.); Borutsky & al., 1991 (syn. nov.)