Comparative reproductive biology of Ariolimax californicus and A. dolichophallus (Gastropoda; Stylommiatophora)

@article{Leonard2002ComparativeRB,
  title={Comparative reproductive biology of Ariolimax californicus and A. dolichophallus (Gastropoda; Stylommiatophora)},
  author={Janet L. Leonard and John S. Pearse and Alice Bryant Harper},
  journal={Invertebrate Reproduction \& Development},
  year={2002},
  volume={41},
  pages={83 - 93}
}
Summary Traits which differ among species in a genus are considered to be the product of relatively rapid evolution. Laboratory studies indicate that copulation differs between two species of the banana slug Ariolimax with A. dolichophallus having a pattern of a single, long duration (typically greater than 1 h) intromission which is simultaneously reciprocal, and A. californicus having mating encounters typically involving a bout of brief (typically 10–20 min) unilateral intromissions… 

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