Lutetian
Lutetian | |||
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Chronology | |||
The Lutetian is, in the age in the Eocene.[4] It spans the time between 47.8 and 41.2 Ma. The Lutetian is preceded by the Ypresian and is followed by the Bartonian.[5] Together with the Bartonian it is sometimes referred to as the Middle Eocene Subepoch.
Stratigraphic definitionThe Lutetian was named after Latin name for the city of Paris. The Lutetian Stage was introduced in scientific literature by French geologist Albert de Lapparent in 1883[6] and revised by A. Blondeau in 1981.[7]
The base of the Lutetian Stage is at the first appearance of the nanofossil The top of the Lutetian (the base of the Bartonian) is at the first appearance of calcareous nanoplankton species Reticulofenestra reticulata. The Lutetian overlaps with the South American Land Mammal Ages. It is also coeval with the middle Johannian regional stage of Australia and the upper Ulatisian and lower Nanzian regional stages of California .
References
External linksWikisource has original works on the topic: Cenozoic#Paleogene
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