Type species: Rhombopora incrassata Ulrich, 1890
This genus includes the species:
| Saffordotaxis angustus | Liu, 1980 | Middle Devonian | China |
| Saffordotaxis athabascensis | Astrova, 1972 | Late Devonian Frasnian | Canada |
| Saffordotaxis castanea | Crockford, 1957 | Early Permian Artinskian | Australia WA |
| Saffordotaxis elegans | Crockford, 1957 | Early Permian Artinskian | Australia WA |
| Saffordotaxis filigrana | Termier & Termier, 1971 | Late Palaeozoic | Afghanistan |
| Saffordotaxis gotlandicus | Brood, 1970 | Silurian Wenlockian | Sweden Gotland |
| Saffordotaxis gracilis | Nekhorosheva, 1985 | Devonian Givetian | Russia Novaya Zemlaya |
| Saffordotaxis idonensis | Gorjunova, 1985 | Late Devonian | China |
| Saffordotaxis implicata | Yang, Hu & Xia, 1988 | Early Carboniferous Tournaisian | China Hunan |
| Saffordotaxis incrassata | (Ulrich, 1888) | Early Mississippian | USA (Kentucky) |
| Saffordotaxis incrassata magniporata | Xia, 1986 | Early Carboniferous Visean | China |
| Saffordotaxis ludlowensis | Brood, 1970 | Silurian Ludlow | Sweden Gotland |
| Saffordotaxis macrospinosa | Yang, Hu & Xia, 1988 | Late Devonian Famennian | China |
| Saffordotaxis multispinata | (Morozova, 1955) | Late Devonian Frasnian | Russia? |
| Saffordotaxis nescius | Gorjunova, 1985 | Late Devonian | China |
| Saffordotaxis parvus | Troizkaya, 1968 | Devonian Frasnian | Russia? |
| Saffordotaxis punctospinosa | Yang, Hu & Xia, 1988 | Devonian Frasnian | China |
| Saffordotaxis regularis | Yang, Hu & Xia, 1988 | Devonian Famennian | China |
| Saffordotaxis retrusus | Gorjunova, 1985 | Early Carboniferous Visean | Kazakhstan |
| Saffordotaxis robustus | Liu, 1980 | Early Permian | China |
| Saffordotaxis sibirica | Yaroshinskaya, 1984 | Middle Devonian | Russia? |
| Saffordotaxis sinserus | Gorjunova, 1985 | Devonian Frasnian | China |
| Saffordotaxis stelliformis | Liu, 1976 | Early Permian | China |
| Saffordotaxis subtilis | Troizkaya, 1975 | Devonian? | Kazakhstan |
| Saffordotaxis yanagidae | Sakagami, 1964 | Early Carboniferous Serpukhovian | Japan |
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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