| Name | Fibrillithecis Frisch |
| Authorship | Frisch |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Thelotremataceae |
| Contains | Fibrillithecis halei (Tuckerman & Montagne) Mangold Fibrillithecis sp. |
| Remarks | Type Species: F. vernicosa (Zahlbruckner) Frisch (Thelotrema vernicosum Zahlbruckner) |
| Citation | 2006 Biblioth. Lichenol. 92: 135 |