Geoffroy Saint-Hilaire

Geoffroy Saint-Hilaire may refer to:

Étienne Geoffroy Saint-Hilaire (1772-1844), French naturalist
Isidore Geoffroy Saint-Hilaire (1805-1861), French zoologist who coined the term ethology, son of Étienne Saint-Hilaire
Albert Geoffroy Saint-Hilaire (1835-1919), French zoologist, coined the binomial nomenclature name for the Chinese Monal pheasant, son of Étienne Saint-Hilaire

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