Asteromphalus sp.

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Taxonomic Group:Diatom
Trophic Status:Autotrophic
Size Range:15-180 μm diameter, depending on species (Tomas 1997)
Key Characteristics:Cells solitary, oblong to elliptical; long chambers (hyaline rays) radiate from a central area and terminate near the valve margin and one ray is narrower than the others; the number of rays varies with species
Confused With:Asterolampra species, which have hyaline rays all the same shape and width
Toxin:None known