Primary type information:
Primary type material: holotype worker. Primary type locality: U.S.A.: Nevada, Washoe County, Mullen Gap (5 mi W Pyramid Lake), Pyramid Mining Distr., Nevada Dominion Mine, 8.vi.1951 (I. La Rivers). Primary type depository: USNM. Primary type specimen: USNMENT00529582.
Secondary type information:
Secondary type material: 38 paratype workers. Secondary type locality: same as for holotype. Secondary type depository: LACM, MCZC, USNM.
Type notes:
The original description says that 15 paratypes were returned to Dr La Rivers, the current whereabouts of these is unknown.