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Publication: Sperber, Christina. 1939. Preliminary notes on the genital organs of Nais blanci and Nais josinae. Arkiv för Zoologi, vol. 31, B (or no. 7). 1-5.

ITIS records citing this publication
 
 Kingdom Animalia
  Piguetiella Sperber, 1939 -- valid -- aquatic oligochaete worm
  Piguetiella blanci Piguet, 1906 -- valid -- aquatic oligochaete worm
  Specaria Sperber, 1939 -- valid -- aquatic oligochaete worm
   

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