Thalassionema nitzschioides

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Taxonomic Group:Diatom
Trophic Status:Autotrophic
Size Range:2-3.5 μm wide x 30-80 μm long (Cupp 1943); 10-110 μm long (Tomas 1997); 2-4 μm wide x 10-80 μm long (Horner 2002)
Key Characteristics:Valve ends similar in shape; marginal ribs visible with light microscopy; cells in stellate and or zigzag colonies, frequently both types within a colony
Confused With:Thalassionema frauenfeldii which has generally longer cells and valve ends that are slightly dissimilar
Toxin:None known