echinatior. Atta (Acromyrmex) octospinosa var. echinatior Forel, 1899c: 34 (w.q.) MEXICO. Wheeler, W.M. 1937c: 72 (m.). Combination in Acromyrmex: Emery, 1924d: 350. Subspecies of octospinosus: Wheeler, W.M. 1937c: 71. Raised to species: Schultz, Bekkevold & Boomsma, 1998: 460.