| Type | Article |
| Authors(s) | Wygodzinsky, P. |
| Year | 1950a |
| Title | Schizopterinae from Angola (Cryptostemmatidae, Hemiptera) |
| Volume | 7 |
| Page(s) | 9-47 |
| Published in/Publisher | Publicaçoes Culturais da Companhia de Diamantes de Angola |
| Type | Article |
| Authors(s) | Wygodzinsky, P. |
| Year | 1950a |
| Title | Schizopterinae from Angola (Cryptostemmatidae, Hemiptera) |
| Volume | 7 |
| Page(s) | 9-47 |
| Published in/Publisher | Publicaçoes Culturais da Companhia de Diamantes de Angola |