Type species: Rhombopora lepidodendroides Meek, 1872
This genus includes the species:
| Rhombopora altaica | Nekhoroshev, 1956 | Early Carboniferous Tournaisian-Visean | Russia Altai |
| Rhombopora ambigua | Katzer, 1898 | Devonian Pragian-Eifelian? | Brazil |
| Rhombopora angustata | Ulrich, 1890 | Early Carboniferous Visean | USA Kentucky |
| Rhombopora annulus | Liu, 1980 | Early Permian | China |
| Rhombopora armata | Ulrich, 1884 | Early Carboniferous Visean-Namurian | USA Kentucky |
| Rhombopora armata ovalis | Nikiforova, 1927 | Early Carboniferous | Ukraine Donbass |
| Rhombopora attenuata | Ulrich, 1890 | Early Carboniferous Visean | USA Arkansas, Oklahoma |
| Rhombopora bedfordensis | Cumings, 1906 | Early Carboniferous Visean | USA Indiana |
| Rhombopora? bifurcata | Campbell, 1961 | Carboniferous | Australia NSW |
| Rhombopora bifurcata (Homonym?) |
Liu, 1980 | Early Permian | China |
| Rhombopora bigemmis | (Keyserling, 1846) | Permian (Carboniferous?) | Russia |
| Rhombopora binodata | Trizna, 1958 | Lower Carboniferous Visean | Russia, China |
| Rhombopora biseptata | Yang, Hu & Xia, 1988 | Late Devonian Famennian | China |
| Rhombopora circumcincta | Reed, 1933 | Permo-Carboniferous | Burma |
| Rhombopora communis | Moore, 1929 | Late Carboniferous Gzhelian | USA Texas |
| Rhombopora confluens | Ulrich, 1888 | Early Carboniferous Tournaisian | USA Illinois |
| Rhombopora constans | Moore, 1929 | Late Carboniferous Gzhelian | USA Texas |
| Rhombopora constans ampla | Moore, 1929 | Late Carboniferous Gzhelian | USA Texas |
| Rhombopora corticata | Moore, 1929 | Late Carboniferous Gzhelian Permian |
USA Texas Bolivia |
| Rhombopora? crassa | Lu, 1983 | Early Carboniferous Visean | China |
| Rhombopora cylindrica | Wyse Jackson, 1996 | Lower Carboniferous Tournaisian-Serpukhovian | Ireland |
| Rhombopora dangdouensis | Liu, 199x(undated) | Devonian | China |
| Rhombopora decipiens | Ulrich, 1890 | Early Carboniferous Visean | USA Illinois |
| Rhombopora dispersa | Bigey, 1988 | Devonian | France |
| Rhombopora famensis | Nekhoroshev, 1960 | Devonian Famennian | Russia |
| Rhombopora favata | Moore, 1929 | Late Carboniferous Gzhelian | USA Texas |
| Rhombopora filiformis | Crockford, 1941 | Early Permian Artinskian | Australia NSW |
| Rhombopora floriformis | Trizna, 1958 | Early Carboniferous Tournaisian | Russia |
| Rhombopora? gippslandica (Dubious) |
Chapman, 1907 | Silurian or Devonian | Australia |
| Rhombopora gracilescens | Li, 1992 | Devonian | China |
| Rhombopora gracilis | Ulrich, 1890 | Lower Carboniferous Tournaisian-Visean | USA Iowa, Missouri |
| Rhombopora granulata | Liu, 1980 | Early Permian | China |
| Rhombopora granulosa | Nekhoroshev, 1977 | Early Devonian | Russia? |
| Rhombopora hemiseptata | Morozova, 1961 | Devonian Frasnian | Russia? |
| Rhombopora hexagona | Wyse Jackson, 1996 | Lower Carboniferous Tournaisian-Visean | Ireland |
| Rhombopora hindei | (Etheridge, 1907) | Early Permian | Australia |
| Rhombopora hoxtolgayensis | Lu, 1999 | Devonian | China |
| Rhombopora hunanensis | Yang, Hu & Xia, 1988 | Devonian Famennian | China |
| Rhombopora hunanensis (Homonym) |
Li, 1992 | Permian | China Hunan |
| Rhombopora inermis | Yang & Xia, 1976 | Silurian | China Yunnan |
| Rhombopora inornata | Yang, Hu & Xia, 1988 | Devonian Famennian | China |
| Rhombopora insinuata | Trizna, 1958 | Lower Carboniferous Visean | Russia |
| Rhombopora inspissata | Yang, Hu & Xia, 1988 | Devonian Famennian | China |
| Rhombopora irregularis | Tolmatchoff, 1924 | Early Carboniferous | Russia |
| Rhombopora johnsvalleyensis | Harlton, 1933 | Late Carboniferous Bashkirian | USA Oklahoma |
| Rhombopora kawabei | Sakagami, 1995 | Permian Leonardian | Bolivia |
| Rhombopora kokpektensis | Nekhoroshev, 1956 | Early Carboniferous Serpukhovian | Russia Altai |
| Rhombopora kunlunensis | Lu, 1983 | Permian | China Xinjiang |
| Rhombopora laxa | (Etheridge, 1872) | Early Permian Sakmarian-Artinskian | Australia |
| Rhombopora lepidodendroides | Meek, 1872 | Carboniferous (Penn.) | USA |
| Rhombopora? lepidodendroides multinodata | Nikiforova, 1933 | Late Carboniferous Moscovian | Ukraine? |
| Rhombopora? lepidodendroides mutabilis | Nikiforova, 1933 | Late Carboniferous Moscovian | Ukraine? |
| Rhombopora longyinensis | Xsia, 1979 | Late Palaeozoic | China |
| Rhombopora maanshanensis | Yang, 1964 | Devonian Famennian? | China |
| Rhombopora magna | Volkova, 1974 | Devonian Frasnian | Russia? |
| Rhombopora mariae | Morozova, 1961 | Devonian Frasnian-Famennian | Russia |
| Rhombopora mariae (Homonym) |
Dunaeva, 1961 | Upper Carboniferous Kasimovian-Gzhelian | Ukraine |
| Rhombopora? mawi | Owen, 1965 | Silurian Wenlockian | Wales, England |
| Rhombopora media | Yang, Hu & Xia, 1988 | Devonian Frasnian | China |
| Rhombopora millepuncta | McFarlan, 1942 | Lower Carboniferous Serpukhovian | USA Illinois |
| Rhombopora millepuncta recta | McFarlan, 1942 | Lower Carboniferous Serpukhovian | USA Illinois |
| Rhombopora minima | Tolmatchoff, 1924 | Early Carboniferous | Russia |
| Rhombopora minima (Homonym) |
Owen, 1960 | Silurian Ludlovian | Wales |
| Rhombopora minor | Ulrich, 1890 | Lower Carboniferous Visean-Namurian | USA Kentucky |
| Rhombopora mira | Xsia, 1979 | Late Palaeozoic | China |
| Rhombopora missouriensis | Branson, 1922 | Devonian Frasnian | USA Missouri |
| Rhombopora multituberculata | Nekhoroshev, 1977 | Devonian Famennian | Russia? |
| Rhombopora munda | Moore, 1929 | Late Carboniferous Gzhelian | USA Texas |
| Rhombopora muralis | Moore, 1929 | Late Carboniferous Gzhelian | USA Texas |
| Rhombopora nikiforovae | Baranova, 1960 | Early Permian Sakmarian-Artinskian | Russia |
| Rhombopora nitidula | Harlton, 1933 | Late Carboniferous Bashkirian | USA Oklahoma |
| Rhombopora nova | Ceretti, 1963 | Late Carboniferous Gzhelian? | Italy |
| Rhombopora novitia | Trizna, 1958 | Lower Carboniferous Visean | Russia |
| Rhombopora obliqua | Waagen, 1887 | Permian | India |
| Rhombopora ohioensis | Ulrich, 1888 | Lower Carboniferous Tournaisian | USA, Ohio |
| Rhombopora optima | Gorjunova, 1975 | Early Permian Artinskian | Russia, Pamir |
| Rhombopora ornata | Shishova, 1964 | Permian Kazanian | Russian Platform |
| Rhombopora permiana | Baranova, 1960 | Early Permian Artinskian | Russia, China |
| Rhombopora perpera | Trizna, 1958 | Lower Carboniferous Visean | Russia |
| Rhombopora pesasica | Tolmatchoff, 1924 | Early Carboniferous | Russia |
| Rhombopora picchuensis | Chronic, 1949 | Early Permian | Peru |
| Rhombopora pilula | Moore, 1929 | Late Carboniferous Gzhelian | USA Texas |
| Rhombopora praemultituberculata | Yaroshinskaya, 1984 | Devonian | Russia |
| Rhombopora praevarians | Nekhoroshev, 1977 | Middle Devonian Givetian | Russia |
| Rhombopora preciosa | Tung, 1985 | Carboniferous | China |
| Rhombopora prima | Lu, 1999 | Devonian | China Xinjiang |
| Rhombopora prompta | Gorjunova, 1988 | Lower Carboniferous Visean-Serpukhovian | Mongolia |
| Rhombopora radialis | Owen, 1967 | Lower Carboniferous Visean | England |
| Rhombopora roikensi | Tolmatchoff, 1924 | Early Carboniferous | Russia |
| Rhombopora saffordotaxiformis | Yang, Hu & Xia, 1988 | Lower Carboniferous Tournaisian | China Hunan |
| Rhombopora sarcinulata | Trizna, 1958 | Lower Carboniferous Tournaisian | Russia |
| Rhombopora simplex | Trizna, 1958 | Lower Carboniferous Tournaisian-Visean | Russia, China |
| Rhombopora spirala | Yang, Hu & Xia, 1988 | Late Devonian Famennian | China |
| Rhombopora? spiralis | Ulrich, 1890 | Lower Carboniferous Visean | USA Kentucky |
| Rhombopora subtilis | Nekhoroshev, 1977 | Devonian Famennian | Russia |
| Rhombopora? tenuis | Fleming, 1969 | Upper Carboniferous Moscovian-Gzhelian | Australia Qld |
| Rhombopora tersiensis | Tolmatchoff, 1924 | Early Carboniferous | Russia |
| Rhombopora variaxis | Schulga-Nesterenko, 1955 | Lower Carboniferous Serpukhovian | Russian Platform |
| Rhombopora vera | Dunaeva, 1961 | Upper Carboniferous Kasimovian | Ukraine |
| Rhombopora wortheni | Ulrich, 1884 | Lower Carboniferous Visean | USA Kentucky, Arizona |
| Rhombopora yanbianensis (yangianensis?) |
Liu, 1980 | Early Permian | China |
| Rhombopora yui | Yang, 1950 | Devonian | China |
| Rhombopora yukonensis | Astrova, 1972 | M. Devonian Eifelian | Canada |
| Rhombopora zogangensis | Lu, 1982 | Early Carboniferous | China |
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.