| Name | Placynthiella Elenkin | 
| Authorship | Elenkin | 
| Rank | Genus | 
| Placed in | Trapeliaceae | 
| Contains | Placynthiella dasaea (Stirton) Toensberg Placynthiella hyporhoda (Th. Fries) Coppins & P. James Placynthiella icmalea (Acharius) Coppins & P. James Placynthiella knudsenii Lendemer Placynthiella oligotropha (J. R. Laundon) Coppins & P. James Placynthiella sp. Placynthiella uliginosa (Schrader) Coppins & P. James | 
| Remarks | Type Species: P. arenicola Elenkin | 
| Citation | 1909 Izv. Imp. S.-Peterburgsk. Bot. Sada 9: 17 | 
