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Hauterivian

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Title: Hauterivian  
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Subject: Cretaceous, Cenomanian, Coniacian, Santonian, Turonian
Collection: Cretaceous, Cretaceous Geochronology, Early Cretaceous, Geological Ages, Hauterivian, Hauterivian Geologic Formations
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Hauterivian

The Hauterivian is, in the geologic timescale, an age in the Early Cretaceous epoch or a stage in the Lower Cretaceous series. It spans the time between 132.9 ± 2 Ma and 129.4 ± 1.5 Ma (million years ago). The Hauterivian is preceded by the Valanginian and succeeded by the Barremian.[1]

Contents

  • Stratigraphic definitions 1
  • Palaeontology 2
    • Birds (avian theropods) 2.1
    • †Ornithischians 2.2
    • Mammalia (mammals) 2.3
    • †Plesiosaurs 2.4
    • †Pterosauria 2.5
    • †Sauropods 2.6
    • †Theropods (non-avian) 2.7
    • †Ammonites 2.8
  • References 3
    • Notes 3.1
    • Literature 3.2
  • External links 4

Stratigraphic definitions

The Hauterivian was introduced in scientific literature by Swiss geologist Eugène Renevier in 1873. It is named after the Swiss town of Hauterive at the shore of Lake Neuchâtel.

The base of the Hauterivian is defined as the place in the stratigraphic column where the ammonite genus Acanthodiscus first appears. A reference profile for the base (a GSSP) had in 2009 not yet been established. The top of the Hauterivian (the base of the Barremian) is at the first appearance of ammonite species Spitidiscus hugii.

In the ammonite biostratigraphy of the Tethys domain, the Hauterivian contains seven ammonite biozones:

Palaeontology

Birds (avian theropods)

Birds of the Hauterivian
Taxa Presence Location Description Images
Disputed Berriasian-Hauterivian Auxerre, Yonne, France
Hauterivian to Barremian La Huérgina Formation, Castilla-la-Mancha, Spain

†Ornithischians

Ornithischians of the Hauterivian
Taxa Presence Location Description Images
Isle of Wight, England A dryosaurid

Mammalia (mammals)

Mammals of the Hauterivian
Taxa Presence Location Description Images
several species from Hauterivian to Albian Spain, Mongolia

†Plesiosaurs

Plesiosaurs of the Hauterivian
Taxa Presence Location Description Images

†Pterosauria

Pterosaurs of the Hauterivian
Taxa Presence Location Description Images
Disputed, considered Tithonian by some

†Sauropods

Sauropods of the Hauterivian
Taxa Presence Location Description Images

†Theropods (non-avian)

Non-Avian Theropods of the Hauterivian
Taxa Presence Location Description Images
Valanginian to Hauterivian Thailand
Hauterivian to Barremian Shinekhudug Formation, Eastern Gobi province, Mongolia

†Ammonites

Ammonites of the Hauterivian
Taxa Presence Location Description Images
Argentina
Czech Republic

References

Notes

  1. ^ See Gradstein et al. (2004) for a detailed geologic timescale

Literature

External links

  • GeoWhen Database - Hauterivian
  • Mid-Cretaceous timescale, at the website of the subcommission for stratigraphic information of the ICS
  • Stratigraphic chart of the Lower Cretaceous, at the website of Norges Network of offshore records of geology and stratigraphy
  • Hauterivian Microfossils: 25+ images of Foraminifera


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