| Authors(s) | Coates, K. | 
| Year | 1986 | 
| Title | Redescription of the oligochaete genus Propappus, and diagnosis of the new family Propappidae (Annelida: Oligochaeta). Proceedings of the Biological Society Washington 99(3): 417-428. | 
| Authors(s) | Coates, K. | 
| Year | 1986 | 
| Title | Redescription of the oligochaete genus Propappus, and diagnosis of the new family Propappidae (Annelida: Oligochaeta). Proceedings of the Biological Society Washington 99(3): 417-428. |