Calyptomyrmex retrostriatus Shattuck, 2011a: 19, fig. 13 (w.) BORNEO (East Malaysia: Sarawak). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Malaysia: Sarawak, G. Matang, nr Kuching, v.1994 (I. Löbl). Primary type depository: BMNH. Secondary type information: Secondary type material: 5 paratype workers. Secondary type localities: 2 paratype workers with same data as holotype, 3 paratype workers Sarawak, Gn. Matang, 20 km. W Kuching, 800 m., 13.v.1994 (D. Burckhardt & I. Löbl). Secondary type depository: BMNH (perhaps also MHNG).