Dinophysis caudata
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Taxonomic Group: Dinoflagellate
Trophic Status: Autotrophic
Size Range: 70-170 μm long (Dodge 1982)
Key Characteristics: Hypotheca drawn out into a characteristic single large posterior projection which varies in length and shape; wide left sulcal list that extends the length of the main body; valve surface with areolations; cells often occur in pairs, dorsally attached
Confused With: Dinophysis tripos, which has two posterior V-shaped processes and a left sulcal list that is broader posteriorly and has a straight margin
Toxin: Okadaic acid