| Fig. | | Page |
| MERIDION |
| 1-2-3 | Meridion circulare (Grev.) Ag. | [40] |
| DIATOMA |
| 4 | Diatoma vulgare var. grande (Wm. Sm.) Grun. | [42] |
| 5-6 | Diatoma anceps (Ehr.) Kirchn. | [42] |
| 7-8 | Diatoma hiemale (Lyng.) Heib. | [42] |
| 9-10 | Diatoma vulgare Bory. | [42] |
| PLAGIOGRAMMA |
| 11 | Plagiogramma tessellatum Grev. | [43] |
| 12 | Plagiogramma obesum Grev. | [43] |
| 13 | Plagiogramma pygmæum Grev. | [43] |
| 14 | Plagiogramma wallichianum Grev. | [43] |
| EUNOTOGRAMMA |
| 15 | Eunotogramma læve Grun. | [33] |
| OPEPHORA |
| 16-19 | Opephora schwartzii (Grun.) Petit. | [43] |
| 17 | Opephora pinnata var. lanceolata n. var. | [44] |
| 18 | Opephora pacifica (Grun.) Petit. | [43] |
| FRAGILARIA |
| 20-21 | Fragilaria virescens Ralfs. | [44] |
| 22-23 | Fragilaria arctica Grun. | [44] |
| 24-25-27-28-29 | Fragilaria undata Wm. Sm. | [44] |
| 26 | Fragilaria undata Wm. Sm., var.? | [44] |
| 30 | Fragilaria construens (Ehr.) Grun. | [45] |
| 31 | Fragilaria harrisonii (Wm. Sm.) Grun. | [45] |
| 34 | Fragilaria capucina var. mesolepta Rab. | [45] |
| 35 | Fragilaria parasitica (Wm. Sm.) | [45] |
| 36 | Fragilaria sp. ? | [45] |
| 37 | Fragilaria linearis Cstr. | [45] |
| RHAPHONEIS |
| 38 | Rhaphoneis amphiceros Ehr. | [46] |
| 39-40 | Rhaphoneis amphiceros var. rhombica Grun. | [46] |
| 41 | Rhaphoneis belgica var. intermedia Grun. | [46] |
| SYNEDRA |
| 32-33 | Synedra radians Kuetz. | [49] |
