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Polygnathus

Extinct genus of jawless fishes From Wikipedia, the free encyclopedia

Polygnathus
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Polygnathus is an extinct genus of conodonts.

Quick Facts Scientific classification, Species and subspecies ...
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Species

  • Polygnathus acrinodosus Aboussalam 2003
  • Polygnathus alkhovikovae Baranov, Slavík & Blodgett 2014
  • Polygnathus angustipennatus Bischoff and Ziegler 1957
  • Polygnathus aragonensis Martínez-Pérez & Valenzuela-Ríos 2014
  • Polygnathus arthuri Baranov, Slavík & Blodgett 2014
  • Polygnathus bardashevi Baranov, Slavík & Blodgett 2014
  • Polygnathus bicristatus Mossoni et al. 2015
  • Polygnathus burretti Savage 2013
  • Polygnathus chongqingensis Wang in Gong et al. 2012
  • Polygnathus carlsi Martínez-Pérez & Valenzuela-Ríos 2014
  • Polygnathus communis
    • Polygnathus communis hanensis Savage 2013
    • Polygnathus communis longanensis Qie et al. 2014
    • Polygnathus communis namdipensis Savage 2013
    • Polygnathus communis phaphaensis Savage 2013
  • Polygnathus costatus Klapper 1971
    • Polygnathus costatus partitus
  • Polygnathus crassulus
    • Polygnathus crassulus salapensis Savage 2013
  • Polygnathus damelei Vodrazkova et al. 2011
  • Polygnathus dujieensis Qie et al. 2014
  • Polygnathus efimovae Kononova et al. 1996
  • Polygnathus extralobatus phoensis Savage 2013
  • Polygnathus hemiansatus
  • Polygnathus hemipennatus Aboussalam 2003
  • Polygnathus hojedki Gholamalian et al. 2013
  • Polygnathus holynensis Vodrazkova et al. 2011
  • Polygnathus housei Aboussalam 2003
  • Polygnathus ivanowskyii Baranov, Slavík & Blodgett 2014
  • Polygnathus karsteni Baranov, Slavík & Blodgett 2014
  • Polygnathus kitabicus
  • Polygnathus lezhoevi Baranov, Slavík & Blodgett 2014
  • Polygnathus ilmenensis Zhuravlev 2003
  • Polygnathus linguiformis Hinde[1]
  • Polygnathus michaelmurphyi Baranov, Slavík & Blodgett 2014
  • Polygnathus nuragicus Mossoni et al. 2015
  • Polygnathus ovaliformis Izokh 2025
  • Polygnathus peltatus Yuan & Sun 2023
  • Polygnathus pollocki Druce 1976
  • Polygnathus postvogesi Plotitsyn & Zhuravlev 2017
  • Polygnathus praeinversus Lu et al. 2018
  • Polygnathus pseudocommunis Wang et al. 2016
  • Polygnathus pseudocostatus Klapper & Vodrážková 2013
  • Polygnathus ramoni Martínez-Pérez & Valenzuela-Ríos 2014
  • Polygnathus robertensis Vodrazkova et al. 2011
  • Polygnathus rossicus Zhuravlev 2000
  • Polygnathus sagittiformis Yuan & Sun 2023
  • Polygnathus salixensis Vodrazkova et al. 2011
  • Polygnathus settedabanicus Baranov, Slavík & Blodgett 2014
  • Polygnathus sharyuensis Ovnatanova et al. 2019
  • Polygnathus varcus Stauffer 1940
  • Polygnathus wapanuckensis Harlton 1933
  • Polygnathus wuqingnaensis Huang et al. 2023
  • Polygnathus yakutensis Baranov, Slavík & Blodgett 2014
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Use in stratigraphy

The Tournaisian, the oldest age of the Mississippian (also known as Lower Carboniferous), contains eight conodont biozones, one of which is defined by a Polygnathus species:

  • the zone of Gnathodus pseudosemiglaber and Scaliognathus anchoralis
  • the zone of Gnathodus semiglaber and Polygnathus communis
  • the zone of Dollymae bouckaerti
  • the zone of Gnathodus typicus and Siphonodella isosticha
  • the zone of Siphonodella quadruplicata and Patrognathus andersoni (upper zone of Patrognathus andersoni)
  • the lower zone of Patrognathus andersoni
  • the zone of Patrognathus variabilis
  • the zone of Patrognathus crassus
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See also

References

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