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Keratella hiemalis
Phylum Rotifera
Class Monogononta
Order Ploima
Family Brachionidae
Distinguishing Characteristics
  • Postero-lateral facets on the dorsal surface of the lorica closed.
  • Pustules present on lorica surface.
  • The anterior horizontal ridge of anteromedial facet is short relative to the other sides of the facet, giving a distinctly triangular shape.
  • Cold stenotherm occuring in winter or in hypolimnion of cold deep lakes.
Additional Notes
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