Ten species of Stylococcaceae (Chrysophyta) from China are reported. They are Lagynion ampullaceum, L. globosum var. ellipticum, L. urceolatum, L. ma~rotrachelum, L. scherffelii, Chrysopyxis stenostoma, C. iwanoff, C. bipes, Bitrichia chodatii and B. phaseolus.