| Chondrophycus corallopsis (Mont.) K.W. Nam, 1999 |
| Chondrophycus flagelliferus (J. Agardh) Nam, 1999 |
| Chondrophycus gemmifera (Harv.) Garbary & J.T. Harper, 1998 |
| Chondrophycus iridescens (Wynne & Ballantine) Garbary & Harper, 1998 |
| Chondrophycus papillosus (C. Agardh) Garbary & J.T. Harper, 1998 |
| Chondrophycus perforatus (Bory) K.W. Nam, 1999 |
| Chondrophycus poiteaui (J.V. Lamour.) Nam, 1999 |
| Chondrophycus poiteaui var. gemmiferus (Harv.) Sentíes, Fujii & Díaz-Larrea, 2007 |
| Chondrophycus thuyoides (Kütz.) G. Furnari, 2001 |
| Choreocolax Reinsch, 1875 |
| Choreocolax polysiphoniae Reinsch, 1875 |
| Digenea C. Agardh, 1822 |
| Digenea mexicana G.H. Boo & D. Robledo, 2018 |
| Digenea rafaelii G.H. Boo, G. Andrade-Sorcia & S.M. Boo, 2018 |
| Digenea simplex (Wulfen) C. Agardh, 1822 |
| Dipterosiphonia F. Schmitz & Falkenb., 1897 |
| Dipterosiphonia dendritica (C. Agardh) F. Schmitz, 1897 |
| Dipterosiphonia rigens (Shousboe ex C. Agardh) Falkenb., 1901 |
| Enantiocladia Falkenb., 1897 |
| Enantiocladia duperreyi (C. Agardh) Falkenb., 1889 |