Parapolygnathus linguiformis (Hinde, 1879) from the Holy Cross Mountains.

Diagnoza

Transverse ridges that cross the entire width of the dorsal third, or tongue, of the platform. Carina and adcarinal groove is fairly dep, but anterior two-thirds of the anterior margin of the platform is at the same height as the carina and posterior margin. At the beginning of the tongue, the anterior margin generally is deflected sharplyposteriorward, without an anterior-lateral expansion at that point.

Porównanie

Autekologia

Występowanie geograficzne

Zasięg czasowy

Materiały muzealne

Literatura

Dzik, J. 2002. Emergence and collapse of the Frasnian conodont and ammonoid communities in the Holy Cross Mountains, Poland. Acta Palaeontologica Polonica 47, 565-650.

Klapper, G., Lindström, M., Sweet, W.C., Ziegler, W. 1977. Catalogue of Conodonts Volume III. 574 pp. E. schweizerbart'sche Verlagsbuchhandlung,Stuttgart.