| Scenedesmus sp. | | 34 | 66 | 2005-08-30 |
| Scenedesmus quadricauda | | 13 | 19 | 1994-09-20 |
| Scenedesmus spp. | | 12 | 12 | 1990-09-28 |
| Scenedesmus arcuatus | | 7 | 13 | 1994-09-12 |
| Scenedesmus ecornis | | 6 | 9 | 1993-06-11 |
| Scenedesmus obliquus | | 4 | 7 | 1994-09-22 |
| Scenedesmus acutiformis | | 4 | 5 | 1994-10-04 |
| Scenedesmus acutus | | 4 | 5 | 1996-10-17 |
| Scenedesmus cf. acuminatus | | 3 | 4 | 1993-06-11 |
| Scenedesmus armatus | | 3 | 3 | 1994-09-10 |
| Scenedesmus cf. ecornis | | 2 | 2 | 1991-10-20 |
| Scenedesmus acuminatus | | 2 | 2 | 1993-06-16 |
| Scenedesmus cf. dimorphus | | 2 | 2 | 1994-09-07 |
| Scenedesmus disciformis | | 2 | 2 | 1989-09-14 |
| Scenedesmus incrassatus | | 2 | 2 | 1989-10-06 |
| Scenedesmus cf. arcuatus | | 2 | 2 | 1994-09-16 |
| Scenedesmus opoliensis | | 1 | 1 | 1990-06-15 |
| Scenedesmus dimorphus | | 1 | 1 | 1991-09-15 |
| Scenedesmus cf. obliquus | | 1 | 1 | 1992-09-23 |
| Scenedesmus cf. obtusata | | 1 | 1 | 1989-10-10 |
| Scenedesmus cf. acutiformis | | 1 | 1 | 1990-06-15 |
| Scenedesmus cf. spinosus | | 1 | 1 | 1991-10-23 |
| Scenedesmus sp. | | 1 | 1 | 1998-09-07 |
| Scenedesmus cf. aculeolatus | | 1 | 1 | 1991-09-12 |
| Scenedesmus cf. acutus | | 1 | 1 | 1996-09-09 |