Praethalassiosiropsidaceae ContentSynonymyPraethalassiosiropsidaceae V.A.Nikolajev & Harwood in Proc. Int. Diatom Symp. 14: 102. 19991Type: Praethalassiosiropsis Gersonde & Harwood1. Diatoms, Bacillariophycota, Archaegladiopsidales