Callaiosphaeridium scabratum sp. nov. - A new dinoflagellate cyst species from Early Turonian of the Cauvery Basin, India

Abstract

A new dinoflagellate cyst species Callaiosphaeridium scabratum, is discovered from the Kulakkalnattam Sandstone Member of the Garudamangalam Formation exposed in the Cauvery Basin, southern India. This striking new species, characterised by a scabrate wall and distally open short and broad tubular paracingular processes, will add greatly to the ability to correlate Lower Turonian strata in the region.