| Name | Cruciaetheca Cúneo & Escapa |
| Authorship | Cúneo & Escapa |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Equisetales |
| Contains | Cruciaetheca sp. |
| Remarks | Type: C. patagonica (Feruglio) Cruciaetheca Cúneo & Escapa (Phyllotheca patagonica Feruglio 1951). FOSSIL; Rio Genoa Formation, Lower Permian of western Chubut Prov., Patagonia, Argentina; ramified, whorled vegetative axes terminally bearing leaf whorls of Phyllotheca type; some last-order axes bearing fertile internodes with whorls of cruciate sporangiophores between unmodified leaf whorls. |
| Citation | Jan 2006 Int. J. Pl. Sci. 167(1): 168 |