Amphidiniopsis Woloszynska, 1928 (verified source for family)
Austariella Witkowski, Lange-Bertalot & Metzeltin, 2000 (verified source for family)
Bysmatrum M.A. Faust & K.A. Steidinger, 1998 (verified source for family)
Centrodiniaceae Hernández-Becerril in Hernández-Becerril et al., 2010 accepted as Gonyaulacaceae Lindemann, 1928 (basis of record)
Cymbopleura (K. Krammer) K. Krammer, 1999 (verified source for family)
Kareniaceae Bergholtz, Daugbjerg, Moestrup & Fernández-Tejedor, 2006 (current name source)
Mastoneis Cleve, 1894 (verified source for family)
Pseudoguinardia von Stosch, 1986 (verified source for family)
Thecadinium Kofoid & Skogsberg, 1928 (verified source for family)
Togula M. Flø Jørgensen, S. Murray & N. Daugbjerg, 2004 (verified source for family)