Temnothorax fortispinosus Prebus, 2021b: 41 (in key), 377, figs. 153C, 156 (w.dq.) MEXICO (Chiapas). Neotropic.

Primary type information: Type-material: holotype worker. Type-locality: Mexico: Chiapas, 2.6 km SE Custepec, 15.71648 N 92.94423 W, 1740 m, 18.vii.2007, Liquidambar 2nd growth forest, nest in dead stick, #6078 (J. Longino). Type-depository: CASC. Type-specimen: JTLC000010282 (top specimen on pin). Secondary type information: Paratype-material: 1 paratype worker, 1 paratype dealate queen. Paratype-locality: 1 paratype dealate queen with same data as holotype (on same pin as holotype); 1 paratype worker with same data as holotype. Paratype-depositories and specimens: CASC: JTLC000010282 (queen; bottom specimen on same pin as holotype); UCDC: JTLC000010283.