1970
Cochlichnus serpens — Webby, pp. 97-98, fig. text fig. 16A-F
1975
Planolites serpens (Webby, 1970) — Alpert, pp. 513, fig. 2:1,4,8
1979
Planolites cf. serpens (Webby, 1970) — Palij et al., pp. 73, fig. LXII 6
1982
Planolites montanus Richter, 1937 — Pemberton & Frey, pp. 867