| Dendryphiopsis S. Hughes, 1953 |
| Dendryphiopsis arbuscula (Berk. & M. A. Curtis) S. Hughes, 1958 |
| Dendryphiopsis atra (Corda) S. Hughes, 1953 |
| Dendryphiosphaera Lunghini & Rambelli, 1978 |
| Dendryphiosphaera parvula Nawawi & Kuthub., 1988 |
| Dictyoaquaphila J.S. Monteiro, L.B. Conç., M.F.O. Marques, Gusmão & R.F. Castañeda, 2016 |
| Dictyoaquaphila unisetulata R.M. Arias, Heredia & R.F. Castañeda, 2016 |
| Dictyoneis Cleve, 1890 |
| Dictyoneis marginata (F.W. Lewis) Cleve, 1890 |
| Dictyoneis spectatissima (Grev.) Cleve, 1890 |
| Dictyoneis subconstricta Cleve, 1894 |
| Dictyonema C. Agardh ex Kunth, 1822 |
| Dictyonema glabratum (Spreng.) D. Hawksw., 1988 |
| Dictyonema pavonium (Sw.) Parmasto, 1977 |
| Dictyosporium Corda, 1836 |
| Dictyosporium bulbosum Tzean & J. L. Chen, 1989 |
| Dictyosporium campaniforme Matsush., 1975 |
| Dictyosporium heptasporum (Garov.) Damon, 1952 |
| Dictyosporium intermedium Subram., 1971 |
| Dictyosporium micronesiacum Matsush., 1981 |