Immognathus streeli (Dreesen, Dusar & Groessens, 1976) from the K. crepida Zone at Wietrznia and Jabłonna in the Holy Cross Mountains.

Diagnoza

Platform of P₁ elements ornamented with marginal tubercles extending admedially as short transverse ridges; in juveniles platform does not reach the dorsal tip of the blade.

Porównanie

Bifurcation of the ventral process in S₁ elements may be somewhat irregular and additional bifurcation may occur (e.g., in sample J-44).

Autekologia

Występowanie geograficzne

Jabłonna, Kowala and Miedzianka.

Zasięg czasowy

The K. crepida to P. trachytera Zones. 

Materiały muzealne

ZPAL: 738 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.