1993
Ptilodictya exilis Lavrentjeva, sp. nov. — Gorjunova & Lavretjeva, pp. 18, 66, fig. X 4, text fig. 5б, 9a
2007
Ptilodictya exilis Lavrentjeva, 1993 — Suttner & Ernst, pp. 1504
2016
Ptilodictya exilis Lavrentjeva, 1993 ( in Gorjunova & Lavrentjeva 1993) — Jiménez-Sánchez et al., pp. 31, fig. 4B