Elements of Drepanodus santacrucensis from the Mójcza Limestone at  Mójcza, Holy Cross Mts.

Diagnoza

All mature elements with smooth, very flat cusps expanding on both sides into sharp thin cristae.

Porównanie

The most characteristic feature for the species is very flat M elements, unlike those of related species. The apparatus structure was closely similar to that of its probable ancestor D. arcuatus. Their asymmetric S elements are hardly distinguishable.

Autekologia

Występowanie geograficzne

Mójcza in the Holy Cross Mts.

Zasięg czasowy

Rare specimens of the species occur from 1.3 m below the bentonite (E. lindstroemi Subzone) up to 1.9 m above (A. tvaerensis/superbus transition zone).

Materiały muzealne

ZPAL

Literatura

Dzik, J. 1994. Conodonts of the Mójcza Limestone. In: J. Dzik, E. Olempska, & A. Pisera. Ordovician carbonate platform of the Holy Cross Mountains. Palaeontologia Polonica 53, 43-128.