| Name | Celothelium A. Massalongo |
| Authorship | A. Massalongo |
| Rank | Genus |
| Placed in | Celotheliaceae Lücking |
| Contains | Celothelium sp. |
| Remarks | Type Species: C. socialis (Zenker) A. Massalongo [Verrucaria socialis Zenker] |
| Citation | 1860 [post 12 Feb 1860] Atti Reale Ist. Veneto Sci. Lett. Arti ser. 3, 5: 332 |