P₁ element of Branmehla disparilis (Branson et Mehl, 1934) from the D trigonica Zone at Ostrowka in the Holy Cross Mountains

Diagnoza

Base of P₁ elements laterally expanded to form denticulated transverse processes.

Porównanie

Probably the species originated from B. suprema, the lateral process being derivative of the asymmetric expansion of the base

Autekologia

Występowanie geograficzne

Dzikowiec and Ostrówka.

Zasięg czasowy

latest Famennian 

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.