1934
Clitambonites schmidti epigonus subsp. nov. — Öpik, pp. 85, fig. 5-7; 8: 1-2, text-fig. 26
1953
Clitambonites schmidti epigonus Öpik, 1934 — Alichova, pp. 77-78, fig. 9: 7-17
1969
Clitambonites schmidti epigonus Öpik — Alichova, pp. 31-32, fig. pl. 3: 4-5
2000
Clitambonites schmidti epigonus Öpik, 1934 — Rubel et Wright, fig. 502f, g