Protognathodus kockeli (Bischoff, 1957) from Dzikowiec - P₁ elements.

Protognathodus kockeli  - P₁ element.

Protognathodus kockeli (Bischoff, 1957) - non-platrorm polygnathid from the Tournaisian Wapnica beds of Dzikowiec.

Apparatus composition of Protognathodus kockeli.

Diagnoza

Porównanie

Specimens from the topmost Famennian strata at Kowala are difficult to clean from clayish cover and thus are not suitable for SEM photography. They show tuberculation of the basal cone typical of the early Tournaisian populations of Protognathodus (e.g., Dzik 1997).

Autekologia

Występowanie geograficzne

Kowala (samples Ko-51 and Ko-24) and Dzikowiec (Dz-75).

Zasięg czasowy

Terminal Famennian. 

Materiały muzealne

ZPAL: 42 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.