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Geological Society London Special Publications
Article . 2008 . Peer-reviewed
License: STM Policy #2
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Diversity and biogeography patterns of Late Jurassic neoselachians (Chondrichthyes: Elasmobranchii)

Elasmobranchii)
Authors: Kriwet, J; Klug, S;

Diversity and biogeography patterns of Late Jurassic neoselachians (Chondrichthyes: Elasmobranchii)

Abstract

Abstract The regional diversity and biogeographic patterns of Late Jurassic neoselachians at genus level in Europe were analysed based on samples and an extensive literature survey of about 40 localities ranging from the Oxfordian to Tithonian. The simple completeness metric (SCM) displays a quite good fossil record of neoselachians in the Late Jurassic with a peak in the Kimmeridgian. The origination, extinction, diversification and turnover rates were calculated for every stage and indicate that background origination occurred in the Oxfordian and Kimmeridgian with no disappearance of genera. In the Tithonian, background extinction is the main factor for neoselachian diversity decline. The decline in neoselachian diversity at the end of the Jurassic is most probably related to reduced habitats in the course of major regression events, establishment of physical barriers, and climatic changes. Faunal assemblages are quite uniform and mostly agree well with the contemporaneous palaeogeographic situation. Our analyses indicate that both vicariance and dispersal were important processes in the biogeographic pattern of Late Jurassic neoselachians.

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United Kingdom
Keywords

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
26
Top 10%
Top 10%
Top 10%
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