1950
Parmorthis visbyensis (Lindström) var. pygmae — Whittard & Barker, pp. 575, fig. 8: 9-15
1968
Visbyella pygmae (Whittard et Barker) — Walmsley et al., pp. 310, fig. 61: 1-5
2011
Visbyella pygmae (Whittard et Barker, 1950) — Rubel, pp. 49, fig. 30: 6-10