Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Cocconema | cistula Ehrenb. = Cymbella cistula Hempr. | Page 64 | Plate 2 | Figure 12,13 | |
| Cocconema | cistula var. maculata (Kütz.) Grunow = Cymbella cistula ? maculata (Kütz.) Van Heurck | Page -- | Plate 2 | Figure 16 | |
| Cocconema | cymbiforme Ehrenb. = Cymbella cymbiformis Ehrenb. | Page 63 | Plate 2 | Figure 11 | |
| Cocconema | gracilis Ehrenb. ? = Encyonema gracile (Ehrenb. ?) Rabenh. | Page -- | Plate 3 | Figure 20 | |
| Cocconema ? | helvetica (Kütz.) Cleve et Grunow ?= Cymbella helvetica Kütz. | Page -- | Plate 2 | Figure 15 | |
| Cocconema | lanceolatum Ehrenb. = Cymbella lanceolata Ehrenb. | Page 63 | Plate 2 | Figure 7 | |
| Cocconema | leptoceras Ehrenb. ? = Cymbella leptoceras (Ehrenb.) Kütz. | Page -- | Plate 2 | Figure 18 | |
| Cocconema | parvum W. Sm. = Cymbella cymbiformis ? parva | Page 64 | Plate 2 | Figure 14 | |
| Cocconema | stomatophorum Grunow = Cymbella tumida Bréb. | Page -- | Plate 2 | Figure 10 | |
| Cocconema | tumidum Bréb. = Cymbella tumida Bréb. | Page 64 | Plate 2 | Figure 10 |