Proceratium planodorsum Gu et al., 2025: 24, fig. 25 (w.) CHINA (Guangxi). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: China: Guangxi, Dayaoshan, 24.3215° N, 110.1021° E, 230 m, 10.vii.2022 (Defu Chen). Primary type depository: GXNU. Primary type specimen: GXNU238761. Secondary type information: Secondary type material: 1 paratype worker. Secondary type locality: same as for holotype. Secondary type depository: GXNU.