Polygnathus

• †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 • †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 == 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 == See also ==