Thuramminoides sphaeroidalis Plummer (Foraminifera) from Cambrian beds of the vicinity of Sandomierz

Abstract

Thuramminoides sphaeroidalis Plummer (Foraminifera) z kambru okolic Sandomierza Numerous specimens of Foraminifera determined as Thurammi noides sphaeroidalis Plummer were found in clayey shales of Middle Cambrian age, lying immediately under Tortonian clays of Sandomierz. This species was noted hitherto from Ordovician, Carboniferous and Permian beds.