Middle Triassic radiolarians from Slovenia (Yugoslavia)

Abstract

The radiolarian fauna presented derives from five Middle Triassic localities in NW and central Slovenia. The sections consist of tuff and tuffite alternating with micritic limestone with chert. On the basis of radiolarians extracted from the limestone beds, an Upper Illyrian-Fassanian age is assumed for the Zaklanec, Bohinj and Vojsko localities and a Langobardian age for Vršič and Mokronog. 89 species are included in the investigation, four of them are newly described: Dumitricasphaera ? pennata, Falcispongus uncus, Hozmadia pyramidalis, Plafkerium ? firmum.