Information about Campanian

Faunal stages are subdivisions of rock layers used primarily by paleontologists who study fossils rather than by geologists who study rock formations. Typically, a faunal stage will consist of a series of rocks that contain similar fossils.
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The geological time scale is used by geologists and other scientists to describe the timing and relationships between events that have occurred during the history of Earth.
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Annum is a Latin noun meaning year. It is the accusative singular of the second declension masculine noun annus (nominative), anni (genitive) [1] .

As a unit of time, it is defined as exactly 365.
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Late Cretaceous (100mya - 65mya) refers to the second half of the Cretaceous Period, named after the famous white chalk cliffs of southern England, which date from this time. Rocks deposited during the Late Cretaceous Period are referred to as the Upper Cretaceous Series.
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The geological time scale is used by geologists and other scientists to describe the timing and relationships between events that have occurred during the history of Earth.
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Motto
Liberté, Égalité, Fraternité
"Liberty, Equality, Fraternity"
Anthem
"La Marseillaise"


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Charente-Maritime

Coat of arms of the Charente-Maritime department
Location

Administration
Department number: 17
Region: Poitou-Charentes
Prefecture: La Rochelle
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List of fossil sites:

Africa

Africa
Site Country/State Age
Afar Depression Ethiopia Pliocene
Ahl al Oughlam Morrocco Late Pliocene
Awash River Ethiopia Pliocene
Baharija Formation Northern Africa Upper Cretaceous
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The Cretaceous Period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic Period (i.e. from 145.5 ± 4.0 million years ago (Ma)) to the beginning of the Paleocene epoch of the Tertiary Period (about 65.5 ± 0.3 Ma).
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The Early Cretaceous (timestratigraphic name) or the Lower Cretaceous (logstratigraphic name), is the earlier of the two major divisions of the Cretaceous Period. It began about 146 million years ago.
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Late Cretaceous (100mya - 65mya) refers to the second half of the Cretaceous Period, named after the famous white chalk cliffs of southern England, which date from this time. Rocks deposited during the Late Cretaceous Period are referred to as the Upper Cretaceous Series.
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In the geologic timescale, Berriasian is a stage of the Early Cretaceous epoch. It spanned between 145.5 ± 4.0 Ma and 140.2 ± 3.0 Ma (million years ago). The Berriasian stage succeeds the Tithonian stage of the Late Jurassic epoch and precedes the Valanginian stage of the Early
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In the geologic timescale, Valanginian is a stage of the Early Cretaceous epoch. It spanned between 140.2 ± 3.0 Ma and 136.4 ± 2.0 Ma (million years ago). The Valanginian stage succeeds the Berriasian stage of the Early Cretaceous and precedes the Hauterivian stage of the Early
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The Hauterivian is a stage of the Early Cretaceous Epoch. It spans the time between 136.4 ± 2 Ma and 130 ± 1.5 Ma (million years ago).

Fauna

Ammonites

• Abrytasites

Dinosaurs

• Afrovenator
• Histriasaurus

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The Barremian faunal stage was a period of geological time between 130.0 ± 1.5 Ma and 125.0 ± 1.0 Ma (million years ago). It is considered to be of the early Cretaceous period.
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Aptian stage is a faunal stage of the Early Cretaceous epoch in the geologic timescale, that extends from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma (million years ago), approximately. The Aptian stage succeeds the Barremian stage and precedes the Albian stage, all in the same epoch.
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Albian (French Albion, from Alba = Aube in France) Albian is a stage of the Cretaceous period.

Albian is a term proposed in 1842 by A. d'Orbigny for that stage of the Cretaceous system which comes above (later) the Aptian and below (before) the Cenomanian (Pal.
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The Cenomanian (also known as Woodbinian) is the first stage of the Late Cretaceous Epoch. It spans the time between 99.6 ± 0.9 Ma and 93.5 ± 0.8 Ma (million years ago).
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The Turonian is a stage of the Late Cretaceous Epoch. It spans the time between 93.5 ± 0.8 Ma and 89.3 ± 1 Ma (million years ago).

The Turonien was definied by the French paleontologist Alcide d'Orbigny (1802 - 1857), who named it after the city of Tours in the French
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The Coniacian is a stage of the Late Cretaceous Epoch. It spans the time between 89.3 ± 1 Ma and 85.8 ± 0.7 Ma (million years ago).

References

• GeoWhen Database - Coniacian

Cretaceous period
Lower/Early Cretaceous Upper/Late Cretaceous
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The Santonian is a stage (geologic Age [1] ) of the Late Cretaceous Epoch. It spans the time between 85.8 ± 0.7 Ma and 83.5 ± 0.7 Ma (million years ago).

References

• GeoWhen Database - Santonian

Cretaceous period
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The Maastrichtian is the last stage of the Cretaceous period, and therefore of the Mesozoic era. It spanned from 70.6 ± 0.6 Ma to 65.5 ± 0.3 Ma (million years ago).
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