Heterokontophyta (Chromophyta)
Bacillariophyceae
| ALGAE – Bacillariophyta | Smithsonian Institution, National Museum of Natural History | |
| Brief Summary about Bacillariophyta (including Images) | Curtis Clark, California State Polytechnic University, Pomona | |
| Diatomeen | Dr. E. Alles | |
| Diatoms and Dinoflagellates | University of Hawai, Manoa | |
| Diatoms 'Nature's Marbles' | Eureka, Bergen | |
| Introduction to Diatoms | California Academy of Sciences Diatom Collection | |
| Introduction to Bacillariophyta (The Diatoms) | University of California, Museum of Paleontology |