Peterson (2011) [117]

Pointon et al. (2012) [118]

Davydov et al. (2012) [21]

Jirásek et al. (2018) [116]

Cohen et al. (2018) [119]

Menning (2018) [120]

Top Namurian

319.9

318.5

-

-

-

Top Serp./Miss.

324.42

323.9

323.2

323.2

323.2

320

Base Namurian

-

329.2

330.9

-

Base Serpukhovian

331.96

-

330.0

330.9

330.9

326.5