Edgard Hérouard
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Edgard Joseph Émile Hérouard (18 March 1858 in
Saint-Quentin, Aisne Saint-Quentin (; ; ) is a city in the Aisne Departments of France, department, Hauts-de-France, northern France. It has been identified as the ''Augusta Veromanduorum'' of antiquity. It is named after Saint Quentin, Saint Quentin of Amiens, wh ...
- 22 March 1932 in Paris) was a French
marine biologist Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology clas ...
. In 1889 he started work as a préparateur at the Sorbonne, earning his doctorate in
natural sciences Natural science or empirical science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer ...
during the following year. From 1895 he served as ''chef des travaux pratiques de zoologie''. In 1901 he was named vice-president of the
Société zoologique de France La Société zoologique de France (), founded in 1876 by Aimé Bouvier, is a scientific society devoted to Zoology. It publishes a bulletin and organises the Prix Gadeau de Kerville de la Société zoologique de France. List of presidents * 18 ...
, and soon afterwards was appointed assistant director of the
Station biologique de Roscoff The Station biologique de Roscoff (SBR) is a French marine biology and oceanography research and teaching center. Founded by Henri de Lacaze-Duthiers (1821–1901) in 1872, it is at the present time affiliated to the Sorbonne Faculty of Scienc ...
. In 1910 he attained the title of associate professor, becoming a professor "without chair" in 1921. Hérouard is known for his investigations of
sea cucumber Sea cucumbers are echinoderms from the class (biology), class Holothuroidea ( ). They are benthic marine animals found on the sea floor worldwide, and the number of known holothuroid species worldwide is about 1,786, with the greatest number be ...
s, providing descriptions of numerous
Holothurian Sea cucumbers are echinoderms from the class Holothuroidea ( ). They are benthic marine animals found on the sea floor worldwide, and the number of known holothuroid species worldwide is about 1,786, with the greatest number being in the Asia†...
species. Also, with
Yves Delage Yves Delage (13 May 1854 – 7 October 1920) was a French zoologist known for his work into invertebrate physiology and anatomy. He also discovered the function of the semicircular canals in the inner ear. He is also famous for noting and pre ...
(1854-1920), he is credited with describing the
Order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...
Hymenostomatida The hymenostomes are an order of ciliate protozoa. Most are free-living in freshwater, such as the commonly studied genus ''Tetrahymena'', but some are parasitic on fish or aquatic invertebrates. Among these is the important species ''Ichthyop ...
(1896).Taxonomicon
Subclass Hymenostomatia - Nomenclature & Taxonomy


Selected writings

* ''Recherches sur les holothuries des côtes de France'', 1889 * ''De l'excrétion chez les Holothuries'', 1895 * ''Traite de zoologie concréte'' (with
Yves Delage Yves Delage (13 May 1854 – 7 October 1920) was a French zoologist known for his work into invertebrate physiology and anatomy. He also discovered the function of the semicircular canals in the inner ear. He is also famous for noting and pre ...
), 1896; several volumes. * ''Holothuries provenant des campagnes de la Princesse-Alice (1892-1897)'', 1902 * ''Holothuries'', 1906 * ''Sur les molpadides de Norvége'', 1910.


References

{{DEFAULTSORT:Herouard, Edgard 1858 births 1932 deaths French zoologists People from Saint-Quentin, Aisne