Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Skeletonema | costatum (Grev.) Grunow | Page -- | Plate 91 | Figure 4,6 | |
| Skeletonema? | mediterranea Grunow | Page -- | Plate 91 | Figure 3,5 | |
| Skeletonema | mirabile Grunow | Page -- | Plate 83ter | Figure 5 | |
| Skeletonema ? | penicillus Grunow | Page -- | Plate 83ter | Figure 6 |