1966
Parulrichia inarguta Neckaja, sp. n. — Neckja, pp. 31-32, fig. 5:3
1970
Pseudulrichia inarguta (Neckaja), 1966 — Gailite, pp. 25, fig. I 6
1985
Pseudulrichia inarguta (Neckaja), 1966 — Sztejn, pp. 71, fig. 4:4
1986
Pseudulrichia ullehmanni Schallreuter, 1981 — Schallreuter, pp. 7, fig. 5:5