Léon Pervinquière (14 August 1873 in

La Roche-sur-Yon La Roche-sur-Yon () is a commune in the Vendée department in the Pays de la Loire region in western France. It is the capital of the department. The demonym for its inhabitants is ''Yonnais''. History The town expanded significantly after Na ...

– 11 May 1913) was a French

geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, alt ...

and

paleontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of foss ...

. He was ''Chef des Travaux Pratiques de Géologie'' at the

Sorbonne Sorbonne may refer to: * Sorbonne (building), historic building in Paris, which housed the University of Paris and is now shared among multiple universities. *the University of Paris (c. 1150 – 1970) *one of its components or linked institution, ...

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...

. He was also seen as a geographer. Pervinquière is remembered for his extensive geological studies of

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

, which first took place in 1896. He also conducted important paleontological research of the region that included studies of

Mesozoic The Mesozoic Era ( ), also called the Age of Reptiles, the Age of Conifers, and colloquially as the Age of the Dinosaurs is the second-to-last era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Creta ...

cephalopods A cephalopod is any member of the molluscan Taxonomic rank, class Cephalopoda (Greek language, Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral symm ...

as well as investigations of

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

gastropods The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. ...

and

pelecypod Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, biva ...

s. In 1911 he took part in an expedition to define the border between Tunisia and

Tripolitania Tripolitania ( ar, طرابلس '; ber, Ṭrables, script=Latn; from Vulgar Latin: , from la, Regio Tripolitana, from grc-gre, Τριπολιτάνια), historically known as the Tripoli region, is a historic region and former province o ...

. On this mission he performed geological and

geographical Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and ...

studies. The third part of Philippe Thomas's ''Essai d'une description géologique de la Tunisie'', which was to have described the

Tertiary Tertiary ( ) is a widely used but obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non- avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start ...

formations, was completed and published by his friend, Léon Pervinquière.

Émile Haug Gustave Émile Haug (19 June 1861 - 28 August 1927) was a French geologist and paleontologist known for his contribution to the geosyncline theory. Career Émile Haug was born on 19 June 1861. In 1884 he received his doctorate in natural sci ...

published the ''Essai d'une description géologique de la Tunisie'' after Pervinquiere had also died, and presented it to the Geological Society of France in session on 6 April 1914. The

ammonite Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttle ...

species ''Fagesia pervinquieri'' is named after him.

Written works

* ''Étude géologique de la Tunisie centrale'', (1903) - Geological study of central Tunisia. * ''Études de paléontologie tunisienne 1, Céphalopodes des terrains secondaires'', (1907) - Studies of Tunisian paleontology I,

cephalopod A cephalopod is any member of the molluscan class Cephalopoda ( Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, ...

s of secondary formations. * ''Le Sud Tunisien'', (1909) - Southern Tunisia * ''Rapport sur une mission scientifique dans l'extrême-sud tunisien (frontière tuniso tripolitaine)'', (1912) - Discussion on the scientific mission to extreme southern Tunisia (Frontier Tunisia-Tripolitania). * ''Études de paléontologie tunisienne 2, Gastropodes et lamellibranches des terrains crétacés'', (1912) - Studies of Tunisian paleontology II, Cretaceous gastropods and

lamellibranch Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, biv ...

s. * ''La Tripolitaine interdite. Ghadamès'' 1912.IDREF.fr
(bibliography)

References

Sources

* * * {{DEFAULTSORT:Pervinquiere Leon French paleontologists French geologists French geographers People from La Roche-sur-Yon 1913 deaths 1873 births