Baron André Étienne Justin Pascal Joseph François d'Audebert de Férussac (30 December 1786 – 21 January 1836) was a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 naturalist

Naturalist

Naturalist may refer to:* Practitioner of natural history* Conservationist* Advocate of naturalism * Naturalist , autobiography-See also:* The American Naturalist, periodical* Naturalism...

 best known for his studies of molluscs

Mollusca

The Mollusca , common name molluscs or mollusksSpelled mollusks in the USA, see reasons given in Rosenberg's ; for the spelling mollusc see the reasons given by , is a large phylum of invertebrate animals. There are around 85,000 recognized extant species of molluscs. Mollusca is the largest...

. (Two of his given names are sometimes spelt Just or Juste in stead of Justin, and d'Audibert, d'Audebard, or d'Audeberd instead of "d'Audebert".)

He was born in Chartron, near Lauzerte

Lauzerte

Lauzerte is a commune in the Tarn-et-Garonne department in the Midi-Pyrénées region in southern France.A medieval bastide perched above the valleys and hills of the area known as the Quercy Blanc, Lauzerte is one of the Most Beautiful Villages of France, a distinction granted to only 155 villages...

 in the province of Quercy

Quercy

Quercy is a former province of France located in the country's southwest, bounded on the north by Limousin, on the west by Périgord and Agenais, on the south by Gascony and Languedoc, and on the east by Rouergue and Auvergne....

 (now in Tarn-et-Garonne

Tarn-et-Garonne

Tarn-et-Garonne is a French department in the southwest of France. It is traversed by the Rivers Tarn and Garonne, from which it takes its name.-History:...

), the son of Jean Baptiste Louis d'Audibert de Férussac

Jean Baptiste Louis d'Audibert de Férussac

Baron Jean Baptiste Louis d'Audibert de Férussac was a French naturalist and geologist.Jean Baptiste Audibert de Férussac was born in Clerac, the son of Joseph d'Audebard de Férussac , Seigneur de Jouatas, and Marie Anne du Lion de Gasque, and was educated at the military school...

 and Marie Catherine Josèphe de Rozet, and was professor of geography and statistics at the École d'état-major in Paris.
Férussac named and described numerous taxa of gastropods, including:

• Cochlodina
  Cochlodina
  Cochlodina is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails.-Species:Species within this genus include:* Cochlodina cerata...
  
  Férussac, 1821, a land snail
  Snail
  Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...
  
   genus
• Helicostyla
  Helicostyla
  Helicostyla is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Bradybaenidae.Helicostyla is the type genus of the subfamily Helicostylinae.-Species:...
  
  Férussac, 1821, a land snail
  Snail
  Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...
  
   genus

Various other taxa were named in honor of him, including:

• Ferussaciidae
  Ferussaciidae
  Ferussaciidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Achatinoidea.This family has no subfamilies...
  
   Bourguignat
  Jules René Bourguignat
  Jules René Bourguignat was a French malacologist, a scientist who studied mollusks.-Taxa:Bourguignat named and described many species of mollusks, including:* Lanistes alexandri Bourguignat, 1850, a species of freshwater snail...
  
  , 1883, a land snail family

Férussac's works include:

• Férussac A.