| Authors(s) | Balech E. |
| Year | 1975 |
| Title | La familia Undellidae (Protozoa, Ciliophora, Tintinnina). Physis (Buenos Aires), 34:377-398. |
| Authors(s) | Balech E. |
| Year | 1975 |
| Title | La familia Undellidae (Protozoa, Ciliophora, Tintinnina). Physis (Buenos Aires), 34:377-398. |