1846
Orthis undata — MCoy, pp. 36, fig. 3:21
1861
Strophomena walmstedti — Lindström, pp. 372, fig. 13:16
1871
Strophomena walmstedti Lindstro ̈ m — Davidson, pp. 290, fig. 40:6-8
1916
Brachyprion walmstedti (Lindström) — Holtedahl, pp. 39-40, fig. 5:6-8
1974
Megastrophia ( Protomegastrophia ) wal- mstedti (Lindström) — Bassett & Cocks, pp. 16, fig. 3:5-9
1978
Brachyprion ( Brachyprion ) walmstedti (Lindström). — Harper & Boucot:, pp. 16
1978
Megastrophia ( Protomegastrophia ) undata (M’Coy). — Cocks, pp. 128
1993
Erinostrophia undata (M’Coy) — Cocks & Worsley, pp. 44-45 Part, fig. 8:b-f, non8:a
2011
Brachyprion (Erinostrophia) walmstedti (Lindström, 1861) — Hoel, pp. 219, fig. 10