Brachionidae Ehrenberg, 1838 (additional source)
Eurotatoria (basis of record)
Keratella cruciformis (Thompson, 1892) (additional source)
Lecanidae Remane, 1933 (additional source)
Lepadellidae Harring, 1913 (basis of record)
Monogononta (additional source)
Notholca striata (Müller, 1786) (additional source)
Pararotatoria (basis of record)
Paraseison Plate, 1887 (basis of record)
Paraseison annulatus (Claus, 1876) (basis of record)
Ploima (additional source)
Proalidae Harring & Myers, 1924 (basis of record)
Pseudotrocha (basis of record)
Seison annulatus Claus, 1876 accepted as Paraseison annulatus (Claus, 1876) (source of synonymy)
Seison nebaliae Grube, 1861 (additional source)
Seisonacea (basis of record)
Seisonida accepted as Seisonacea (source of synonymy)
Seisonidae Wesenberg-Lund, 1899 (additional source)
Seisonidea accepted as Pararotatoria (source of synonymy)
Synchaeta baltica Ehrenberg, 1834 (additional source)
Synchaeta johanseni Harring, 1921 (additional source)
Synchaetidae Hudson & Gosse, 1886 (additional source)
Trichocerca marina (Daday, 1890) (additional source)
Trichocerca stylata (Gosse, 1851) (additional source)
Trichocercidae Harring, 1913 (additional source)

 Taxonomy

 for Keratella quadrata (Müller, 1786)

The taxonomy of K. quadrata is particularly confused. Validation of the numerous proposed subspecies and ... [details]

 Taxonomy

 for Keratella quadrata platei Jägerskiöld, 1894

The taxonomy of K quadrata is particularly confused. Validation of the numerous proposed subspecies and ... [details]

 Taxonomy

 for Lecane lunaris (Ehrenberg, 1832)

Morphologically variable taxon, probably concealing cryptic species. [details]