Species: Pogonomyrmex sp. RAJ-colc (unpublished manuscript name; name not to be used)
Holotype worker: CHILE: Antofagasta: E; Loa Province: Rt 23 at 35.9 km NE Socaire, 23º50.0'S 67º51.9'W, 12,720' (3855 m), 23 March 2017 (R.A. Johnson #5837) [MNNC]. Paratypes, same data as holotype: CASC (1w, 1 ergatoid queen), FML (3w), LACM (3w), MACN (13 w, 2 ergatoid queens), MCZ (3w), RAJC (12w, 10 ergatoid queens), UCDC (2w), USNM (3w). Additional paratype series from the same locality and date - RAJ #3737: MACN (3w), RAJC (3w); RAJ #3738: MACN (6w), RAJC (6w).
Etymology: The specific epithet, atacama, is a noun in apposition and invariant in form that is derived from a group of Native Americans that lived in northeastern Chile.
Species description: (from RAJ revision)
Other literature: None
Photos of all castes: holotype worker