Graptolithina

Archiclimacograptus antiquus (Lapworth, 1873)

Synonymy list
1880     Climacograptus antiquus — Lapworth
2017     Archiclimacograptus cf. antiquus (Lapworth, 1873) — Chen, X. et al., pp. 287, fig. Figs. 6-82A; 6-83I)