Polygnathus procerus Sannemann, 1955 from K. triangularis Zone from Jabłonna in the Holy Cross Mountains - P₁ elements.

Diagnoza

P₁ elements with almost symmetrical, willow-leaf-shaped platform, relatively flat in mature elements, ornamented with tubercles.

Porównanie

The P₁ elements of the species differ from juveniles of P. volhynicus in a less concave occlusal surface and less asymmetric outline of the platform, from P. kadzielniae in its lanceolate outline.

Autekologia

Występowanie geograficzne

Płucki, Jabłonna, Kadzielnia, Wietrznia, and Miedzianka.

Zasięg czasowy

K. triangularis and K. crepida Zones.  

Materiały muzealne

ZPAL: 832 specimens.

Literatura

Dzik, J. 2006. The Famennian "Golden Age" of conodonts and ammonoids in the Polish part of the Variscan sea. Palaeontologia Polonica 63, 1-359.