1883
Monograptus discus — Törnquist, pp. 24-25
1892
Monograptus discus — Törnquist, pp. 39, fig. 3:27-28
1913
Monograptus discus, Törnquist — Elles et Wood, pp. 439-440, fig. 44:5a-d
1970
Monograptus discus Törnquist — Rickards, pp. 76, fig. 6:8
2008
Cochlograptus veles (Richter, 1871) — Lenz & Melchin, pp. 450, fig. 1A-H, 2A,B; 4C-F; 5B