Leptocylindrus minimus
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| Taxonomic Group: | Diatom |
| Trophic Status: | Autotrophic |
| Size Range: | 1.9-5 μm wide x 40-70 long (LUMCON Guide); 1.5-4.5 μm wide (Thomas 1997, Horner 2002) |
| Key Characteristics: | Cells cylindrical and weakly silicified; form tight straight or sometimes undulate chains by abutting valve faces; two elongate chloroplasts |
| Confused With: | Possibly with Leptocylindrus danicus at first glance, which have numerous small chloroplasts and are more heavily silicified; also with Pseudo-nitzschia spp., which also have two chloroplasts, but which are more pointed or needle-like and form step chains |
| Toxin: | None known |