Diagnoza

The basal cone of P₁ element with a smooth triangular platform, basal cavity narrows in front of the dorsal tip of the blade.

Porównanie

Some P₁ elements have platform with a completely smooth surface, others show the reticulate pattern of ameloblast imprints. The meaning of this difference is unclear. Triramous S₁ elements may belong to this species.

Autekologia

Występowanie geograficzne

Jabłonna, Ostrówka, Kowala, Miedzianka, the Holy Cross Mountains, and Dzikowiec, the Sudetes.

Zasięg czasowy

L. styriacus to D. trigonica Zones. 

Materiały muzealne

ZPAL: 1733 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.