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15.Genus: Asteromphalus | Diatom
Order: Asterolamprales Family: Choreutoidea Looks like: Sea biscuit, sand dollar Description: Centric diatom, valuve outline broadly oval or circular, or oblong. One hyaline ray narrower than the others (for A. hookeri). Narrow ray is either rectangular or bell shaped, and sectors are wedge shaped and curve towards valve center. Cell size: Diameter 42-175um Distribution: Warm , temperate and southern cold water regions. |
Last modified: Wednesday, 27 June 2012, 7:08 AM