Species: Pogonomyrmex sp. RAJ-gran (unpublished manuscript name; name not to be used)
Holotype worker: ARGENTINA, Salta Province: Departamento Cachi, Valle Encantado, 20.2 km NE Jct Rts 33 & 2, 25º11.3'S, 65º51.2'W, 10,880 feet (3300 m), 20 January 2010 (R.A. Johnson #4340) [MACN]. Paratypes, same data as holotype: FML (3w), MACN (9w), MCZ (4w, 2m), USNM (3w), LACM (3w), RAJC (8w, 1m). Additional paratype series from the same locality and date - RAJ#4339: FML (3w), MACN (4w, 2m), RAJC (3w, 6m); RAJ#4341: MACN (9w), RAJC (9w); RAJ#4342: FML (3w), MACN (3w), RAJC (3w), UCDC (3w).
Etymology: The specific epithet, granulatus (from Latin, granulatus = granular), is an adjective that refers to the strongly granulate interrugal spaces on the head.
Species description: from RAJ revision
Other literature: None
Photos of all castes: holotype worker, paratype male; type locality photos