Leptothorax (Leptothorax) carinatus Cole, 1957d: 213, fig. 1 (w.q.) U.S.A. (Texas). Nearctic.

Primary type information: Type-material: holotype worker. Type-locality: U.S.A.: Texas, Davis Mts, Limpia Canyon, 5400 ft, 11.vi.1956, nest TX-56 (A.C. Cole). Type-depository: USNM. Secondary type information: Paratype-material: 106 paratype workers, 1 paratype queen. Paratype-locality: same data as holotype but nests TX-43, TX-55, TX-56. Paratype-depositories: AMNH, FMNH, LACM, MCZC, USNM.