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A cladistic re-assessment of the Polycystis species complex (Polycystididae, Eukalyptorhynchia)
Artois, T.J.; Schockaert, E.R. (1998). A cladistic re-assessment of the Polycystis species complex (Polycystididae, Eukalyptorhynchia). Hydrobiologia 383: 97-102. https://dx.doi.org/10.1023/A:1003435727011
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, more
Peer reviewed article  
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Keywords
    Classification > Taxonomy
    Phylogenetics
    Eukalyptorhynchia [WoRMS]; Platyhelminthes [WoRMS]; Polycystididae Graff, 1905 [WoRMS]; Polycystis Kölliker, 1845 [WoRMS]
Authors  Top 
  • Artois, T.J., more
  • Schockaert, E.R., more
Abstract
    The taxonomy of the genus Polycystis Koelliker, 1845 sensu Schockaert & Karling, 1975 is discussed. Character analysis reveals the monophyletic state of the three species groups these authors defined within it. As no synapomorphies for the three groups can be found, the genus is split in three genera: Polycystis Koelliker, 1845, Macrorhynchus Graff, 1882 and Paulodora Marcus, 1948. The systematic position of Macrorhynchus yaganus (Marcus, 1954) Evdonin, 1977 is also discussed, resulting in the erection of the new genus Marcusia gen. n.
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