Prionocerasfrechi(Wedekind, 1913) from the L. styriacus Zone at Jabłonna in the Holy Cross Mountains.
Prionocerasfrechi; growth lines, suture, internal thickening and outline of the shell.
Diagnoza
Compressed mature conch with diameter exceeding the whorl thickness more than two times; oblique profile of the conch aperture with a rather deep ventral sinus.
Porównanie
Autekologia
Występowanie geograficzne
Jabłonna.
Zasięg czasowy
Early L. styriacus Zone.
Materiały muzealne
ZPAL: 1 specimen
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.