Jerarquía taxonómica:
Formicidae → Pseudomyrmex ferrugineus (Smith, 1877)

Familia:
Formicidae

Autor:
(Smith, 1877)

Sinónimos:
Pseudomyrma ferruginea Smith, 1877
Pseudomyrma wasmanni Wheeler, 1921
Pseudomyrma fulvecens Emery, 1890
Pseudomyrmex wasmanni (Wheeler, 1921)
Pseudomyrmex fulvescens (Emery, 1890)
Pseudomyrma belti raza fulvescens Emery, 1890
Pseudomyrma belti subsp. saffordi Wheeler, 1942
Pseudomyrmex belti subsp. bequaerti (Wheeler, 1942)
Pseudomyrmex belti subsp. saffordi (Wheeler, 1942)
Pseudomyrmex belti subsp. vesana (Wheeler, 1942)
Pseudomyrmex kuenckeli var. hondurana (Enzmann, 1944)