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First depiction of the dinoflagellate now know as Ceratium fusus by Christian Ehrenberg in 1834 as Peridinium fusus.
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From the Bay of Villefranche in December 2013
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Ceratium furca from the Bay of Villefranche. Living cell, note that the trailing flagella was rotating.
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First depiction of Ceratium furca was by Christian Ehrenberg in 1834 as Perdinium furca. Note the drawing of a rotating flagella.
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First described by Paul Gourret in 1883 as Ceratium fusus, var. extensum. now known as Ceratium extensum or Neoceratium extensum
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Ceratium extensum (or Neoceratium extensum), the longest Ceratium species. Specimen from the Bay of Villefranche.