Article: Ordovician acritarchs from the Meitan Formation of Guizhou Province, south-west China

An early Arenig acritarch assemblage is described from the Meitan Formation of Tongzi, Guizhou Province, south-west China. Twenty-four species belonging to twenty genera are included. One new genus, Tongzia, and four new species, Rhopaliophora membrana, Pirea sinensis, Schizodiacrodium? multiramiferum, and Tongzia meitana are proposed. The assemblage belongs to the Mediterranean Province and shows that a homogeneous Arenig assemblage extended from east Newfoundland through the Mediterranean to south-west China.