Félix Dujardin

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Félix Dujardin
Félix Dujardin
Félix Dujardin
Born April 5, 1802
Died April 8, 1860
Nationality French
Fields Biology
Known for protozoans

Félix Dujardin (April 5, 1802 - April 8, 1860) was a French biologist who was a professor at Toulouse and Rennes, and known for his study of protozoans and other invertebrates. He became a member of the French Académie des sciences later in life. Concerning his educational background, Dujardin was largely self-taught.

Dujardin is primarily known for his work with microscopic animal life, and in 1834 proposed that a new group of one-celled organisms be called Rhizopoda; meaning "root-foot. This name was later changed to Protozoa. He refuted naturalist Christian Gottfried Ehrenberg's (1795–1876) concept that microscopic organisms are "complete organisms" similar to higher animals .

In Foraminifera, he noticed an apparently formless life substance that he named "sarcode"; which was later renamed protoplasm by Hugo von Mohl (1805-1872). Dujardin also did extensive research regarding other invertebrate groups including echinoderms, helminths and cnidarians.


[edit] Written Works:

  • Histoire naturelle des infusoires (1840)
  • Manuel de l'observateur au microscope (1842)
  • Histoire naturelle des helminthes (1844}


The standard author abbreviation Dujard is applied to species he described.

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