Calyptomyrmex singalensis Baroni Urbani, 1975a: 402, figs. 3, 7 (w.) SRI LANKA. Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Sri Lanka (“E Ceylon”): Kantala, 2.ii.1970, st. no. 40 (C. Besuchet & I. Löbl). Primary type depository: MHNG. Secondary type information: Secondary type material: 9 paratype workers. Secondary type localities: 7 paratype workers with same data as holotype, 2 paratype workers Sri Lanka: Uva, Inginiyagala, 12.ii.1970, st. no. 63c (C. Besuchet & I. Löbl). Secondary type depositories: BMNH, MHNG, NHMB.