| Subject | English | German |
| zool. | black-headed squirrel monkey | schwarzköpfiges Totenköpfchen (Saimiri boliviensis) |
| environ., nat.res. | Central American squirrel monkey | gelbes Totenkopfäffchen (Saimiri oerstedii) |
| mamm. | common squirrel monkey | Totenkopfäffchen (Saimiri sciureus) |
| zool. | common squirrel monkey | Totenköpfchen (Saimiri sciureus) |
| nat.res. | red-backed squirrel monkey | Gelbes Totenkopfaeffchen (Saimiri oerstedii) |
| environ., nat.res. | red-backed squirrel monkey | gelbes Totenkopfäffchen (Saimiri oerstedii) |
| mamm. | red-backed squirrel monkey | gelbes Totenköpfchen (Saimiri oerstedi) |
| life.sc., environ. | red-backed squirrel monkey or Central American squirrel monkey | gelbes Totenkopfäffchen (Saimiri oerstedii) |
| mamm. | squirrel monkey | Totenkopfäffchen (Saimiri sciureus) |
| gen. | squirrel monkey Saimiri sciureus | Totenkopfäffchen |