A critical and systematic revision of the superclass Dinoflagellata type Miozoa Ukraine was performed, results generalization retrospective modern data on their zonal ecological typological distribution were given. As 2022, 366 species (393 intraspecific) belonging to 3 classes, 14 orders, 45 families 98 genera are indicated for territorial waters Ukraine. Over past two decades, 108 new have be...

Peridinium is a genus of freshwater thecate dino¢ agellate. Because it was one of the earliest named genera (Ehrenberg 1832), many species placed in it were later removed to other genera. Genera continue to be extracted and Peridinium, while more closely de› ned, still harbors groups of species unlike the type species, P. cinctum. It is the goal of this paper to remove one of the most dissimila...