ESTONIAN ACADEMY
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Earth Science cover
Estonian Journal of Earth Sciences
ISSN 1736-7557 (Electronic)
ISSN 1736-4728 (Print)
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The new genus Walliserognathus and the origin of Polygnathoides siluricus (Conodonta, Silurian); pp. 113–121
PDF | https://doi.org/10.3176/earth.2018.08

Authors
Carlo Corradini, Maria G. Corriga
Abstract

The new genus Walliserognathus is described to host the species posthamatus (Walliser). The genus is monospecific. The shape of P1 and P2 elements of Walliserognathus posthamatus, characterized by a small platform along the whole elements, and its stratigraphic distribution limited to the Ancoradella ploeckensis Zone suggest that the species may have been the bridge in the phylogenesis from Wurmiella to Polygnathoides.

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