Conditolepis quadrantinodosa (Branson & Mehl, 1934) from its nominal zone at Łagów - P₁, P₂, S₀, S_1-2  and S_3-4  elements.

Diagnoza

Very variable P₁ element, oval in outline with gently convex anterior lobe covered with tubercles or forming a ridge.

Porównanie

The range of population variability of this species encompasses, with completely smooth gradation, morphologies typical of C. inflexa  but also C. marginifera and C. inflexoidea. They separated into distinct biological species somewhat later in their evolution.

Autekologia

Występowanie geograficzne

Łagów, Kowala, and Miedzianka.

Zasięg czasowy

Zone of its own. 

Materiały muzealne

ZPAL: 139 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.