1932
Climacograptus scharenbergi Lapworth — Bulman, pp. 23-26, fig. 1:23-26
1960
Lasiograptus haplus — Jaanusson, pp. 336-338, fig. 5:6-7
1997
Haddingograptus haplus (Jaanusson) — Maletz, fig. 29G-H
1998
Haddingograptus haplus (Jaanusson, 1960) — Maletz, pp. 367, fig. 8V