†Ceratomyrmex planus Lattke & Melo, 2020: 2, figs. 2, 7A (w.) MYANMAR (Burmese Amber, Cretaceous).

Primary type information: Primary type material: holotype worker. Primary type locality: Myanmar: northern Myanmar, Kachin State, Hukawng Valley, early Cenomanian (98-99 Ma). Primary type depository: DZUP. Primary type specimen: DZUP 548866 (Bur-557).