Cryptophytes are a small group of photosynthetic biflagellated organisms distributed worldwide in fresh, brackish and marine waters. Although members of this class are easily distinguished from other groups, species identification is difficult and …
The haptophyte genus *Pseudohaptolina* (formerly *Chrysochromulina* clade B1-3) currently harbors two species: *Pseudohaptolina arctica* and *Pseudohaptolina sorokinii*. In addition, *Chrysochromulina birgeri* is expected to belong to this genus due …
Members of the class Mamiellophyceae comprise species that can dominate picophytoplankton diversity in polar waters. Yet polar species are often morphologically indistinguishable from temperate species, although clearly separated by molecular …