Diagnoza

The second subventral lobe deep and narrow; umbonal and ventrolateral tubercles occur up to late ontogenetic stages.

Porównanie

Suture has been traced by Korn and Price in a specimen from the Rhenish Slate Mountains.

Autekologia

Występowanie geograficzne

Dzikowiec.

Zasięg czasowy

Probably the D. trigonica Zone. 

Materiały muzealne

ZPAL: 4 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.