Prorocentrum triestinum
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| Taxonomic Group: | Dinoflagellate |
| Trophic Status: | Autotrophic |
| Size Range: | 6-11 ?m wide x 18-22 ?m long (Dodge 1982) |
| Key Characteristics: | Cell rounded at anterior end, pointed at posterior end; body 2X as long as wide; body slightly flattened on one side and more rounded on the other; anterior spine relatively short and thin; cell small, usually less than 30 μm long |
| Confused With: | Prorocentrum gracile, which is much bigger, has a more pointed posterior end, and has a more robust spine |
| Toxin: | None known |