Odontella mobiliensis
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Taxonomic Group: Diatom
Trophic Status: Autotrophic
Size Range: 68.4-190 μm wide x 161.5-250 μm long (LUMCON Guide); 45-157 μm wide (Cupp 1943); 40-80 μm wide (Tomas 1997, Horner 2002)
Key Characteristics: Two slender horns arise diagonally inside the valve margin on each end of the cell with two long spines spaced equal distance between horns; can be single or in straight chains with cells joining by both horns and spines; numerous small chloroplasts
Confused With: Odontella sinensis, which has spines very close to the horns and a more concave valve surface
Toxin: None known