Geoffroy Saint-Hilaire may refer to:
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Étienne Geoffroy Saint-Hilaire
Étienne Geoffroy Saint-Hilaire (; 15 April 177219 June 1844) was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theorie ...
(1772–1844), French naturalist
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Isidore Geoffroy Saint-Hilaire
Isidore Geoffroy Saint-Hilaire (; 16 December 1805 Р10 November 1861) was a French zoologist and an authority on deviation from normal structure. In 1854 he coined the term ''̩thologie'' (ethology).
Biography
He was born in Paris, the ...
(1805–1861), French zoologist who coined the term ''ethology'', son of Étienne Saint-Hilaire
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Albert Geoffroy Saint-Hilaire (1835–1919), French zoologist, coined the binomial nomenclature name for the
Chinese monal pheasant, son of Isidore Saint-Hilaire
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