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Étienne Geoffroy Saint-Hilaire (15 April 1772 – 19 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 theories.
Apr 11, 2024 · Étienne Geoffroy Saint-Hilaire (born April 15, 1772, Étampes, Fr.—died June 19, 1844, Paris) was a French naturalist who established the principle of “unity of composition,” postulating a single consistent structural plan basic to all animals as a major tenet of comparative anatomy, and who founded teratology, the study of animal ...
- The Editors of Encyclopaedia Britannica
Aug 5, 2013 · Learn about the life and work of Geoffroy, a pioneer of experimental embryology and evolutionary theory. He developed the concept of the unity of plan and challenged Cuvier's typology of animals.
Dec 1, 2021 · The year 2022 is marked by the 250th anniversary of Étienne Geoffroy Saint-Hilaire (April 15, 1772–June 19, 1844). His idea that major evolutionary changes arise via rescaling of embryogenesis now represents the foundation of the extended evolutionary synthesis (EES, see also ( Laland et al., 2015 )).
- Giuseppe Iurato, Abir U. Igamberdiev
- 2021
Étienne Geoffroy Saint-Hilaire began his evolutionary journey into embryology in the 1820s (see Isidodre Geoffroy 1847; Cahn 1962; Fischer 1972b). He was a versatile naturalist: a zoologist, embryologist, palaeontologist, systematist, and student of the natural order of classification.
- Andrés Galera
- andres.galera@cchs.csic.es
- 2021
Vue de la sépulture. modifier - modifier le code - modifier Wikidata. Étienne Geoffroy Saint-Hilaire, né le 15 avril 1772 à Étampes et mort le 19 juin 1844 à Paris, est un naturaliste français .
Learn about the life and work of Étienne Geoffroy St. Hilaire, a pioneer of comparative anatomy and a proponent of the unity of type of vertebrates. Discover his debates with Cuvier, his influence on Darwin, and his legacy in biology.
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