| # of Observations | ITIS TSN | Scientific Name (as provided) |
|---|---|---|
| 889 | 43789 | Silicoflagellida spp. |
| 403 | 615928 | Dictyocha speculum |
| 244 | -7636 | Dictyocha messanensis |
| 224 | 13759 | Radiospermum corbiferum |
| 188 | 1520 | Dinobryon balticum |
| 183 | -7815 | Ochromonas cosmopoliticus |
| 78 | 1805 | Dictyocha fibula |
| 57 | 1814 | Ebria tripartita |
| 52 | 1447 | Chrysophyta spp. |
| 46 | -7638 | Distephanus pulchra |
| 43 | -8733 | Heineckia barkovii |
| 36 | -7022 | Dictyocha fibra |
| 33 | -7637 | Dictyocha messanensis forma spinosa |
| 28 | -8899 | Distephanus octonarius v octonarius |
| 26 | -8725 | Distephanus crux |
| 22 | 1515 | Dinobryon spp. |
| 14 | 1804 | Dictyocha spp. |
| 11 | -7571 | Dinobryon pellucidum |
| 8 | -7635 | Dictyocha mandrai |
| 7 | -8734 | Hermisinum adriaticum |
| 7 | -7873 | Meringosphaera tenerrima |
| 6 | 1939 | Meringosphaera mediterannea |
| 6 | 1808 | Distephanus spp. |
| 5 | 1938 | Meringosphaera spp. |
| 3 | 1817 | Mesocena polymorpha |
| 2 | -8914 | Hemiella or heimiella excentrica |
| 2 | -8726 | Distephanus octonarius |
| 2 | 1816 | Mesocena spp. |
| 2 | 1455 | Ochromonas spp. |
| 1 | -8732 | Heimiella excentrica |
| 1 | -7872 | Meringosphaera radians |
| 1 | 1792 | Apedinella spinifera |
| 1 | 1790 | Apedinella spp. |