1968
Crypthophyllus gutta sp. n. — Schallreuter, pp. 110, fig. 13:4-7
1968
Pygoconcha trilamellae sp. n. — Schallreuter, pp. 112-113, fig. 13:1-3
1984
Cryptophyllus gutta Schallreuter — Sarv et Meidla, pp. 8, 10
1992
Cryptophyllus gutta Schallreuter — Sidaravičiene, pp. 186, fig. 47:9-10
1996
Cryptophyllus gutta Schallreuter, 1968 — Meidla, pp. 102-103, fig. 20:9-11
2011
Cryptophyllus gutta Schallreuter, 1968 — Schallreuter et Hinz-Schallreuter, pp. 211