Geologija (Dec 2008)
The serpulid worm Rotularia spirulaea from Eocene beds near Gračišće in Istria, Croatia
Abstract
In paper several selected specimens of sedentary Polychaetes of species Rotularia spirulaea (Lamarck, 1818) are presented. They were found in Middel Eocene – Lutetian calcareous breccias and conglomerates, respectively olistostromes,below the village of Gračišće near Pazin in Istria (Croatia). The rare individuals are of various shapes and sizes, and they occur among numerous nummulitines, corals, molluscs, echinoderms, bryozoans, lithothamnias and other fossil remains. The mentioned rocks and their contents are constituting parts of the Istrian Paleogene basins, in this istance of the Pazin flysch basin.