| Ankistrodesmus sp. | | 30 | 49 | 1996-10-17 |
| Ankistrodesmus falcatus | | 26 | 46 | 1994-09-22 |
| Ankistrodesmus spiralis | | 4 | 4 | 1993-09-20 |
| Ankistrodesmus cf. nannoselene | | 3 | 5 | 1990-09-24 |
| Ankistrodesmus fusiformis | | 3 | 3 | 1990-09-25 |
| Ankistrodesmus cf. falcatus | | 3 | 3 | 1990-09-18 |
| Ankistrodesmus gracilis | | 2 | 5 | 1994-09-07 |
| Ankistrodesmus cf. spiralis | | 1 | 1 | 1990-06-26 |
| Ankistrodesmus cf. fusiformis | | 1 | 1 | 1990-09-09 |
| Ankistrodesmus cf. bibraianus | | 1 | 1 | 1989-09-12 |