1828
Atrypa? crassicostis — Dalman, pp. 47-48
1965
Plectothyrella platystrophoides sp. nov. — Temple, pp. 412-415, fig. pl. 20: 1–5, pl, 21: 1–10
1968
Plectothyrella crassicosta (Dalman) — Bergström, pp. 19, fig. pl. 7: 5-8
1968
Plectothyrella platystrophoides Temple, 1965 — Wright, pp. 357, fig. fig. 4
1976
Plectothyrella crassicosta (Dalman, 1828) — Lesperance & Sheeh, pp. 727-728, fig. pl. 110: 6-12
1979
Plectothyrella crassicosta (Dalman) — Rong, fig. pl. 2: 8-10, 12-17
1996
Plectothyrella crassicosta (Dalman) — Harper & Wright, pp. 92, fig. fig. 19A-B, D
2002
Plectothyrella crassicosta (Dalman) — Savage, pp. 1065, fig. fig. 720, 1a-e
2008
Plectothyrella crassicostis (Dalman, 1828) — Cocks, pp. 187
2015
Plectothyrella crassicostis (Dalman, 1828) — hints & Dalman, pp. 413, fig. Fig. 14; Table 2.