Two atavistic characters of some Lumbriculidae and their importance for the classification of Oligochaeta

Abstract The rudimentary atria, and the posterior sperm funnels and sperm ducts, which occur in some species of the Lumbriculidae, are discussed. It is shown that the posterior location of funnels and sperm ducts is the result of a forward shift of the atria, which refutes Stephenson's supposit...

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Bibliographic Details
Published in:Hydrobiologia, Vol. 115 (1984), p. 15-17
Other Involved Persons: Hrabě, Sergěj
Format: electronic Article
Item Description:Copyright: Copyright 1984 Dr W. Junk Publishers
Physical Description:Online-Ressource
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