• Dictyonema C.A. Agardh in Kunth, 1822 [Family: Agaricomycetidae incertae sedis, Phylum: Basidiomycota]
• Dictyonema Hall, 1851 † [Family: Dendrograptidae, Phylum: Hemichordata]
• Dictyonema Hall, 1852 † accepted as Dictyonema Hall, 1851 † [Family: Dendrograptidae, Phylum: Hemichordata]
• Dictyonema Reinsch, 1875 [Family: , Phylum: Fungi (awaiting allocation)]
• Dictyonema campanulatum Harris & Keble, R A, 1928 †
• Dictyonema enigma Cooper & Stewart, 1979 †
• Dictyonema excentricum C. Agardh, 1822 accepted as Dictyonema thelephora (Spreng.) Zahlbr., 1931
• Dictyonema fuscescens G.M. Martens
• Dictyonema glabratum (Spreng.) D. Hawksw., 1988 accepted as Cora glabrata (Spreng.) Fr., 1838
• Dictyonema interruptum (Carmich. ex Hook.) Parmasto, 1979
• Dictyonema irpicinum Mont., 1848
• Dictyonema ligulatum (Kremp.) Zahlbr., 1907
• Dictyonema macgillivrayi Hall, 1897 †
• Dictyonema membranaceum C.A. Agardh
• Dictyonema montanum (Sw.) Parmasto ex Follmann & Redón, 1972 accepted as Cora glabrata (Spreng.) Fr., 1838
• Dictyonema pulchellum Hall, 1899 †
• Dictyonema scitulum Harris & Keble, R A, 1928 †
• Dictyonema sericeum (Sw.) Berk., 1843 accepted as Dictyonema thelephora (Spreng.) Zahlbr., 1931
• Dictyonema sociale Salter †
• Dictyonema thelephora (Spreng.) Zahlbr., 1931
• Dictyonema zahlbruckneri (Schiffn.) V. Marcano, 1996 accepted as Cora glabrata (Spreng.) Fr., 1838
• Dictyonematomyces Ciferri & Tomaselli, 1954 accepted as Dictyonema C.A. Agardh in Kunth, 1822