1828
Orthis callactis sp. nov. — Dalman, pp. 112, fig. 2; 2
1830
Orthis crassicosta sp. nov. — Pander, pp. 82, fig. 21; 1
1953
Orthis callactis Dalman 1828 — Alikhova, pp. 28-30, fig. 1; 13-16
1961
Orthis callactis (?) Dalman, 1828 — Rubel, pp. 172-173, fig. 14; 16, 17
1993
Orthis callactis Dalman 1828 — Jaanusson et Bassett, pp. 54-56, fig. 8: 1-8