Type species: Keratophytes anceps Schlotheim, 1820
This genus includes the species:
| Acanthocladia acuticosta | Bassler, 1929 | Permian | Timor |
| Acanthocladia anceps | (Schlotheim, 1820) | Permian | Germany |
| Acanthocladia anceps laxa | Korn, 1930 | Late Permian | Europe |
| Acanthocladia antiqua | Nekhoroshev, 1956 | L. Carboniferous | Russia |
| Acanthocladia biserialis | Chronic, 1949 | U .Palaeozoic | Peru |
| Acanthocladia ciscoensis | Moore, 1929 | Pennsylvanian | Texas |
| Acanthocladia ciscoensis granulosa | Moore, 1929 | Pennsylvanian | Texas |
| Acanthocladia ciscoensis irregularis | Moore, 1929 | Pennsylvanian | Texas |
| Acanthocladia crebriramosa | Trizna, 1939 | Permian | Russia |
| Acanthocladia fruticosa | Ulrich, 1890 | Late Carboniferous | USA Illinois |
| Acanthocladia guadalupensis | Girty, 1908 | Permian Guadalupian | USA Texas |
| Acanthocladia macer | Trizna, 1950 | Permian Sakmarian | Russia |
| Acanthocladia minor | Korn, 1930 | Permian | Germany |
| Acanthocladia morozovae | Popeko, 1967 | Carboniferous | Russia |
| Acanthocladia multipora | Fritz, 1932 | Permian | Canada (Vancouver I.) |
| Acanthocladia ouachitensis | Harlton, 1933 | Pennsylvanian | USA Oklahoma |
| Acanthocladia? pampinosa | Trizna, 1950 | Permian Sakmarian | Russia |
| Acanthocladia peculiaris | Sakagami, 1962 | Carboniferous | Japan |
| Acanthocladia pinnata | Rogers, 1900 | Late Carboniferous | USA Missouri |
| Acanthocladia rectangulata | Xia & Liu, 1986 | U. Carboniferous | China |
| Acanthocladia rectifurcata | Bassler, 1929 | Permian | Timor |
| Acanthocladia regularis | Bassler, 1929 | Permian | Timor |
| Acanthocladia rhombicellata | Shulga-Nesterenko, 1955 | Carboniferous | Russia |
| Acanthocladia robusta | Yang & Lu, 1962 | Late Permian | China |
| Acanthocladia simplex | Moore, 1929 | Pennsylvanian | Texas |
| Acanthocladia sparsifurcata | Shulga-Nesterenko, 1941 | Permian | Russia |
| Acanthocladia sparsifurcata tenuis | Nikiforova, 1938 | Permian | Russia |
| Acanthocladia striata | Bolkhowitinova & Markoff, 1926 | Carboniferous | Russia |
| Acanthocladia thaiensis | Sakagami, 1968 | Permian | Thailand |
| Acanthocladia tumulosa | Morozova, 1970 | U.Permian | Russia |
| Acanthocladia tundrica | Kruchinina, 1986 | L. Permian | Russia |
Acanthocladia from Spitsbergen at Hans Arne Nakrem's site in Norway.
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.
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