Alphabetical Listing of Genera within this Taxa Group:
genus     Coleofasciculus T2005173
genus     Katagnymene T2005317
genus     Phormidesmis T2005426
genus     Planktothrix T2005439
genus     Pseudophormidium T2005472
genus     Symplocastrum T2011536
genus     Symploca T2005539
genus     Trichodesmium T2001983
genus     Tychonema T2005574