Wied-Neuwied, Maximilian zu
Rüppell, Wilhelm Peter Eduard Simon
Fitzinger, Leopold Joseph Franz Johann
Lauterborn, Robert
Rochebrune, Alphonse Trémeau de
Edwards, George
Royle, John Forbes
Peters, Wilhelm Carl Hartwig
Hemprich, Friedrich Wilhelm / Ehrenberg, Christian Gottfried
Catesby, Mark
Sowerby, Arthur de Carle
Humboldt, von Alexander / Bonpland
Pallas, Peter Simon