Type species: Fenestralia sanctiludovici Prout, 1858
This genus includes the species:
| Fenestralia compacta | Ulrich, 1890 | Early Carboniferous Visean | USA Kentucky, Indiana |
| Fenestralia discordabilis | Trizna & Klautsan, 1961 | Early Permian Artinskian | Russia |
| Fenestralia ischimica | Bolkhovitinova, 1940 | Early Carboniferous Visean | Kazakhstan |
| Fenestralia pseudorudis | (Schulga-Nesterenko, 1951) | Early Carboniferous Tournaisian | Russia |
| Fenestralia sanctiludovici | Prout, 1858 | Mississippian | USA (Missouri) |
| Fenestralia trifurcata | Burckle, 1960 | Early Carboniferous Visean | USA Utah |
This information is based upon various sources, but no personal knowledge. I am indebted to the late Alan Horowitz for his compilation, and to Dr. J. Pachut.
I would be grateful for corrections to, or critical reviews of this information. This is not a 'final' version (an impossible ideal), but a working document.