Image: Diatoms

Description: Scanning Electron Micrographs of Diatoms. (A) Biddulphia reticulata. The whole shell or frustule of a centric diatom showing valves and girdle bands (size bar = 10 micrometres). (B) Diploneis sp. This picture shows two whole pennate diatom frustules in which raphes or slits, valves, and girdle bands can be seen (size bar = 10 micrometres). (C) Eupodiscus radiatus. View of a single valve of a centric diatom (size bar = 20 micrometres) (D) Melosira varians. The frustule of a centric diatom, showing both valves and some girdle bands (size bar = 10 micrometres).
Title: Diatoms
Credit: Bradbury J: Nature's Nanotechnologists: Unveiling the Secrets of Diatoms. PLoS Biol 2/10/2004: e306. doi:10.1371/journal.pbio.0020306
Author: Images courtesy of Mary Ann Tiffany, San Diego State University.
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