| Species | as Species | Doubtful |
|---|---|---|
| Chaetoceros abnormis Proschkina-Lavrenko, 1953 | ||
| Chaetoceros heterovalvatus Prosckina-Lavrenko | ||
| Chaetoceros paulsenii Ostenfeld, 1901 | ||
| Chaetoceros socialis f. autumnalis A.I. Proshkina-Lavrenko | ||
| Chaetoceros socialis f. vernalis A.I. Proshkina-Lavrenko |