1881
Phacops (Chasmops ) maxima — Schmidt, pp. 112, fig. IV 1,2,6; X 17; XV 34
1907
Phacops maxima — Schmidt, pp. 6, fig. 2
1925
Chasmops maxima (Schmidt) — Bekker, fig. II 13
1998
Toxochasmops (Schmidtops) maximus (Schmidt, 1881) — Rõõmusoks, pp. 189, fig. VII 9-13, VIII 1-3
2013
Toxochasmops (Schmidtops) maximus — Krueger, pp. 57, fig. 13:1-10