| Name | Grewinium R. Srivastava & Guleria |
| Authorship | R. Srivastava & Guleria |
| Rank | Genus |
| NomenclaturalStatus | NomNov |
| Placed in | Tiliaceae |
| Contains | Grewinium sp. |
| Remarks | nom. nov. for Grewioxylon Shallom 1963 (later homonym; non J. Schuster 1910); Type: G. intertrappeum (Shallom) R. Srivastava & J. S. Guleria (Grewioxylon intertrappea Shallom); Deccan Intertrappean series; Eocene; Nagpur, India; FOSSIL-MAGNOLIOPHYTA-TILIACEAE. |
| Citation | Dec 2000 Palaeobotanist 49(3): 531 |