Phenotypic plasticity of taxonomic and diagnostic structures in gyrodactylosis-causing flatworms (Monogenea, Platyhelminthes)

@article{Olstad2009PhenotypicPO,
  title={Phenotypic plasticity of taxonomic and diagnostic structures in gyrodactylosis-causing flatworms (Monogenea, Platyhelminthes)},
  author={Kjetil Olstad and Lutz Bachmann and Tor A. Bakke},
  journal={Parasitology},
  year={2009},
  volume={136},
  pages={1305 - 1315}
}
SUMMARY The present study addresses the effect of varying temperature and host species on the size and shape of the opisthaptoral hard-parts in isogenic strains of Gyrodactylus salaris and G. thymalli. Variation in shape was examined using geometric morphometrics. Since the opisthaptoral hard-parts of Gyrodactylus have few specific landmarks, their shape information mostly being represented by outlines and surfaces, a method based on sliding semi-landmarks was applied. The ventral bars of G… 
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Analysis of shape variation of sclerotized structures of the attachment organ within 66 African species of the genus Cichlidogyrus provides new insights into the evolvability of attachment organs, as well as into the morphological basis of host specificity and host-parasite co-evolutionary interaction in helminth parasites.
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TLDR
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Genetic and Morphological Characterization of Southwellina hispida Van Cleave, 1925 (Acanthocephala: Polymorphidae), a Parasite of Fish-Eating Birds
TLDR
The presence of S. hispida in members of 4 families of fish-eating birds could be the result of these birds occurring in sympatry and feeding on the same fish species harboring the cystacanths, showing the low host-specificity of this acanthocephalan.
Putting in shape – towards a unified approach for the taxonomic description of monogenean haptoral hard parts
TLDR
It is suggested the use of alternative methods in systematic parasitology that fully take into consideration the shape of morphological features, and a move toward placing shape at the centre of automated species recognition would be mutually beneficial for both taxonomists and non-taxonomists.
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TLDR
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TLDR
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On parr of Atlantic salmon Salmo salar L. in laboratory experiments at different water temperatures, opisthaptoral hard parts of Gyrodactylus salaris Malmberg, 1957 differed in size. Their shape, on
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