| Name | Diplotomma A. Massalongo |
| Authorship | A. Massalongo |
| Rank | Genus |
| NomenclaturalStatus | LaterHomonym |
| Placed in | Caliciaceae |
| Contains | Diplotomma alboatrum (Hoffmann) Flotow Diplotomma penichrum (Tuckerman) Szatala Diplotomma venustum (Körber) Körber |
| Remarks | non Flotow (1849). Lectotype species: D. alboatrum (Hoffmann) Flot. ex A. Massalongo (Lichen alboater Hoffmann) |
| Citation | 1852 Ric. Auton. Lich. Crost. 97 |