†Thanacomyrmex hoffeinsorum Chény et al., 2019: 592, figs. 3-4 (w.) RUSSIA (Baltic Amber, Eocene).

Primary type information: Primary type material: holotype worker. Primary type locality: Russia: Kaliningrad Province; Late Eocene (Priabonian, 34-38 Ma) amber. Primary type depository: SDEI. Primary type specimen: CCHH 1628-6.