Fine structure of the male reproductive system in two species ofHaplognathia sterrer (Gnathostomulida, Filospermoidea)

@article{Knauss1979FineSO,
  title={Fine structure of the male reproductive system in two species ofHaplognathia sterrer (Gnathostomulida, Filospermoidea)},
  author={Elizabeth B. Knauss and Reinhard M. Rieger},
  journal={Zoomorphologie},
  year={1979},
  volume={94},
  pages={33-48}
}
The structure of the male reproductive systems of two species ofHaplognathia cf.lyra andH. cf.rosacea was described. The structure of the testes and the anterior portions of the sperm ducts in both species was found to be similar. However, considerable species differences were found between the structures of the glands and muscles associated with the reproductive systems. These were more elaborate inH. cf.lyra than inH. cf.rosacea. The former species possessed an H-shaped sperm duct gland… CONTINUE READING

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