Alphabetical Listing of Genera within this Taxa Group:
genus     Achnanthes T2000652
genus     Achnanthidium T2007290
genus     Anorthoneis T2005097
genus     Campyloneis T2005148
genus     Cocconeis T2000512
genus     Eucocconeis T2008748
genus     Karayevia T2009539
genus     Lemnicola T2009641
genus     Planothidium T2010573