Orthograptus mutabilis (Elles et Wood, 1907)

1907     Diplograptus (Orthograptus) mutabilis — Elles et Wood, pp. 232, fig. 29:1a-d

1945     Orthograptus mutabilis — Waterlot, pp. 56, fig. 11:155

1948     Orthograptus mutabilis — Přibyl, pp. 11

1952     Diplograptus (O.) mutabilis — Münch, pp. 53, fig. 3:7a-b

1970     Orthograptus cf. O. mutabilis — Churkin & Carter, pp. 30, fig. 2:14

1976     Orthograptus mutabilis (Elles et Wood, 1907) — Sennikov, pp. 143-145, fig. 5:11

1980     Orthograptus mutabilis (Elles et Wood, 1907) — Obut & Sennikov, pp. 28-29, fig. 2:15