Type species: Ichthyorachis newenhami M'Coy, 1844
This genus includes the species:
| Ichthyorachis nereis | Hall, 1874 | Devonian Lochkovian | USA |
| Ichthyorachis newenhami | M'Coy, 1844 | Early Carboniferous Tournaisian-Visean | Ireland |
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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