| Staurastrum sp. | | 43 | 98 | 1996-09-25 |
| Cosmarium sp. | | 27 | 47 | 1996-10-17 |
| Closterium sp. | | 26 | 37 | 2005-08-30 |
| Spirogyra sp. | | 19 | 23 | 2005-08-30 |
| Zygnema sp. | | 16 | 16 | 1990-09-18 |
| Closterium kuetzingii | | 15 | 24 | 1996-09-06 |
| Spondylosium planum | | 14 | 23 | 1994-09-16 |
| Euastrum sp. | | 13 | 22 | 1996-09-25 |
| Spondylosium sp. | | 12 | 21 | 1996-10-17 |
| Staurodesmus sp. | | 11 | 19 | 1994-09-22 |
| Mougeotia sp. | | 10 | 12 | 1990-08-30 |
| Staurodesmus cf. triangularis | | 9 | 12 | 1994-09-16 |
| Xanthidium sp. | | 7 | 11 | 1993-09-17 |
| Micrasterias radiosa | | 7 | 8 | 1996-09-17 |
| Micrasterias truncata | | 6 | 9 | 1994-09-22 |
| Cosmarium depressum | | 6 | 9 | 1996-09-18 |
| Micrasterias rotata | | 6 | 9 | 1994-05-18 |
| Gymnozyga sp. | | 6 | 8 | 1993-09-15 |
| Xanthidium antilopeum | | 6 | 7 | 1996-09-06 |
| Staurastrum cf. planctonicum | | 5 | 7 | 1991-09-12 |
| Euastrum cf. elegans | | 4 | 8 | 1994-06-10 |
| Euastrum verrucosum | | 4 | 7 | 1994-09-28 |
| Pleurotaenium ehrenbergii | | 4 | 6 | 1994-08-26 |
| Euastrum cf. binale | | 4 | 6 | 1993-09-16 |
| Euastrum elegans | | 4 | 6 | 1993-10-04 |
| Staurodesmus cf. mamillatus | | 4 | 4 | 1989-09-18 |
| Closterium cf. limneticus | | 4 | 4 | 1990-05-28 |
| Staurastrum cf. anatinum | | 4 | 4 | 1994-09-05 |
| Euastrum pulchellum | | 4 | 4 | 1994-09-12 |
| Euastrum cf. didelta | | 3 | 5 | 1994-09-12 |
| Pleurotaenium trabecula | | 3 | 5 | 1993-09-20 |
| Desmidium swartzii | | 3 | 5 | 1991-09-17 |
| Staurodesmus megacanthus | | 3 | 3 | 1990-06-01 |
| Bambusina sp. | | 3 | 3 | 1996-09-17 |
| Staurodesmus incus | | 3 | 3 | 1994-09-05 |
| Bambusina brebissoni | | 3 | 3 | 1996-09-25 |
| Staurastrum planctonicum | | 3 | 3 | 1994-09-16 |
| Staurastrum cf. cingulum | | 3 | 3 | 1996-09-25 |
| Xanthidium cristatum | | 3 | 3 | 1996-09-10 |
| Staurastrum ophiura | | 3 | 3 | 1993-09-16 |
| Cosmarium cf. depressum | | 2 | 6 | 1994-09-07 |
| Cosmarium spp. | | 2 | 6 | 1994-05-18 |
| Gymnozyga monoliformis | | 2 | 4 | 1994-09-12 |
| Pleurotaenium sp. | | 2 | 3 | 1996-09-17 |
| Staurastrum cf. ophiura | | 2 | 3 | 1993-08-30 |
| Staurastrum arachne | | 2 | 3 | 1990-05-25 |
| Staurastrum cf. manfeldtii | | 2 | 3 | 1990-05-28 |
| Desmidium cf. swartzii | | 2 | 3 | 1996-09-17 |
| Closterium dianae | | 2 | 3 | 1990-08-31 |
| Micrasterias sp. | | 2 | 3 | 1993-09-26 |