Silicoflagellata from the Miocene diatomites of the Upper Silesia basin

Abstract

Silicoflagellata z mioceńskich diatomitów Zagłębia Górnośląskiego Numerous Silicoflagellata have been found in Miocene diaitomites, forming intercalations in the Kłodnica Formation (Miocene). Six species occur in that microfossil assemblage, and Distephanus crux (Ehrenberg) is the dominant component. Two morphological varieties of that species and various types of aberrant forms have been distinguished on the basis of biometric analysis.