Amphidinium sp.
Diagnosis
Unarmored. Small to large cells that be round, top-shaped, biconical, to strongly laterraly or dorsoventrally compressed. Cell with or without thick theca and with or without longitudinal ridges or ribs. Epitheca short, less than or equel to one third of the body length. Cingulum distinctly premedian, with or without descending displacement. A fibrous ventral ridge has been described for some Amphidinium as has a peduncle for the activity of phagocytosis. Chloroplasts or cleptochloroplasts presents.
Type species
A. operculatum Claparède and Lachmann, 1859
Original description
Reference(s)
Observation site(s)
HOSTS
Association with... | Region origin | Name of site | In reference... |
---|---|---|---|
Thalassicolla nucleata |
Radiolaria. Springer New York, New York, NY (1983) |