1931
Monograptus pergracilis — Bouček, pp. 302, fig. 10b
1933
Diversograptus (?) pergracilis (Bouč) 1931 — Bouček, pp. 70, fig. 6:5-6, text fig. 17b
1953
Div. pergracilis Bouč) — Münch, fig. 44:2a,c (?b)
1954
Diversograptus capillaris pergracilis (Bouček, 1931) — Bouček & Přibyl, pp. 500, fig. 1:4; text fig 2; figs 1-6
2003
Torquigraptus pergracilis (Bouček) — Loydell et al., pp. 212, fig. 7e
2003
Torquigraptus pergracilis (Bouček) — Loydell , fig. text fig. 1, 13
2006
Diversograptus? pergracilis (Bouček, 1931) — Loydell & Nestor, fig. text fig. 12