Amphidinium (am-fee-din-ee-um) testudo is a commonly encountered and speciose member of the dinoflagellates. There is a circumferential groove on the cell surface that runs around the anterior half of the cell, and a second one running along the length of the body. There is a flagellum in each groove. This photograph is of the ventral side and shows the recurrent flagellum. Differential interference contrast. This picture was taken by David Patterson, Linda Amaral Zettler and Virginia Edgcomb of materials from sediments of the marine site, Eel Pond in Austumn 2000, spring and summer 2001. Image copyright: D. J. Patterson, L. Amaral-Zettler and V. Edgcomb, image used under license to MBL (micro*scope).
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From the collection
Eel Pond, Woods Hole, Massachusetts
No description of Amphidinium testudo available.
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