| Biddulphia | |
|---|---|
 | |
| Biddulphia pulchella | |
Scientific classification  | |
| Domain: | Eukaryota |
| Supergroup: | Stramenopiles |
| Division: | Ochrophyta |
| Clade: | Bacillariophyta |
| Class: | Biddulphiophyceae |
| Order: | Biddulphiales |
| Family: | Biddulphiaceae |
| Genus: | Biddulphia S.F. Gray, 1821 |
Biddulphia is a genus of diatoms within the clade Biddulphiophycidae.
