A contribution to the knowledge of Upper Devonian ammonoids from the Holy Cross•Mts

Abstract

The paper comprises a short review of previous paleontological studies on the Upper Devonian ammonoids from the Holy Cross Mts and so)me remarks concerning their occurrence and state of preservation. Two species, hitherto unknown in Poland, found in Frasnian deposits in the vicinity of Łagów, Manticoceras bickense (Wedekind) and M. inversum Wedekind, are described. In the species Manticoceras bickense (Wedekind)sexual dimorphism has been recognized.