| Authorship | Wheeler, 1911i: 247 | 
|---|---|
| Forms | w.q.m. | 
| Bioregion | Nearctic | 
| Locality | U.S.A. (Texas) | 
| Type notes | Material included: U.S.A.: Texas, Huntsville (C.G. Hartman); workers (“several hundred”), queens (“a few dozen”), 4 males, deposited in MCZC (no type status). | 
| Atta septentrionalis obscurior crystallina | Infrasubspecies | Obsolete combination an obsolete combination of Trachymyrmex septentrionalis obscurior crystallina (Wheeler, 1911) | Original combination | 
| Trachymyrmex septentrionalis obscurior crystallina | Infrasubspecies | Unavailable |