Primary type information:
Primary type material: lectotype major worker (by designation of Wilson, 2003a: 249). Primary type locality: lectotype Ecuador: Galapagos Is, Indefatigable I. (= Santa Cruz I.), 1905-06, no. 444 (F.X. Williams). Primary type depository: MCZC.
Secondary type information:
Secondary type material: 1 paralectotype minor worker. Secondary type locality: same as for lectotype. Secondary type depositories: CASC, MCZC.
Type notes:
Original description cites 12 specimens in total: syntype major workers, syntype minor workers, syntype queens, syntype males (numbers not stated).