Primary type information:
Type-material: holotype (?) worker. Type-locality: French Guiana: Cayenne (no collector’s name). Type-depository: no type-material known to exist.
Type notes:
No indication of number of specimens is given.
[Note: Brown, 1958g: 320, regards Gnamptogenys nodosa as nomen oblitum as it has “not been used except in catalogs”, whereas Gnamptogenys mordax “has been used for this common ant for nearly a century.”]