Diagnoza

Relatively large mature conch with very narrow ventral protrusion of the shell thickening.

Porównanie

Probably also specimen IG 284.II.343 of diameter about 27 mm, collected by Czarnocki in a grey limestone (labelled as Gonioclymenia beds) belongs to the species. This is a good connecting link between the Prionoceras and Balvia lineages.

Autekologia

Występowanie geograficzne

Ostrówka.

Zasięg czasowy

L. styriacus Zone.

Materiały muzealne

ZPAL: 2 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.