Calyptomyrmex ryderae Shattuck, 2011a: 20, figs. 14, 18 (w.) BORNEO (East Malaysia: Sarawak). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Malaysia: Sarawak, 4th Division, G. Mulu Nat. Park, RGS Expd., Long Pala, 21.x.1977 (B. Bolton). Primary type depository: BMNH. Secondary type information: Secondary type material: 26 paratype workers. Secondary type localities: 5 paratype workers with same data as holotype, 11 paratype workers with same data as holotype but 16.x.1977, 1 paratype worker with same data as holotype but 18.x.1977, 1 paratype worker with same data as holotype but 28.ix.1977, 1 paratype worker with same data as holotype but 20.ix.1977, soil on rock, 1 paratype worker with same data as holotype but 1.x.1977, leaf litter on log, 6 paratype workers Sarawak, 4th Division, Gn Mulu Nat. Park, vi-viii.1978, BM1978-49 (P.M. Hammond & J.E. Marshall). Secondary type depositories: ANIC, BMNH.