†Eotemnothorax rectispinus Radchenko, 2024c: 733, fig. 4D-F (w.q.) UKRAINE (Rovno Amber, Eocene), GERMANY (Bitterfeld Amber, Eocene), POLAND (Baltic Amber, Eocene).

Primary type information: Primary type material: holotype worker. Primary type locality: Ukraine: Rivne Prov., Rovno amber, late Eocene, Priabonian age, 37.8-33.9 Ma. Primary type depository: SIZK. Primary type specimen: OL-224. Secondary type information: Secondary type material: 6 paratype workers, 1 paratype queen. Secondary type localities: 2 paratype workers with same data as holotype; 2 paratype workers Germany: Saxony-Anhalt, Bitterfeld amber, late Eocene, Priabonian age, 37.8-33.9 Ma; 2 paratype workers, 1 paratype queen Poland: Baltic amber, late Eocene, Priabonian age, 37.8-33.9 Ma. Secondary type depositories: GZG.BST, HWRC, MNB, SIZK. Secondary type specimens: OL-226, ZH-126, 27.189, 27.168, BS038/052, BS136/ 214, 11/381 (q.), CASENT0917540.