| Name | Leptogidium Nylander |
| Authorship | Nylander |
| Rank | Genus |
| Placed in | Massalongiaceae Wedin, P. M. Jørgensen & E. Wiklund |
| Contains | Leptogidium byssoides (Carrington) Zahlbruckner Leptogidium sp. |
| Remarks | Type Species: L. dendriscum (Nylander) Nylander (Leptogium dendriscum Nylander) |
| Citation | 1873 [1 May 1873] Flora (Stuttgart) 56: 195 |