Diagnoza

Ventral slope of the flank lobe of the suture almost parallel to the venter, delimited with slightly rounded angulation from the wide ventral lobe.

Porównanie

The septum is of almost hemispherical shape ventrally of the flank lobe, which makes tracing its contact with conch wall difficult.

Autekologia

Występowanie geograficzne

Ostrówka.

Zasięg czasowy

P. trachytera Zone. 

Materiały muzealne

ZPAL:  3 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.