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  • Canadian Science Publishing  (2)
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  • Canadian Science Publishing  (2)
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  • 1
    Online Resource
    Online Resource
    An old problem in a new perspective: the enigmatic evolutionary relationships of some Australian freshwater planarians (Platyhelminthes, Tricladida, Paludicola)
    Canadian Science Publishing ; 1997
    In:  Canadian Journal of Zoology Vol. 75, No. 3 ( 1997-03-01), p. 459-471
    Details
    In: Canadian Journal of Zoology, Canadian Science Publishing, Vol. 75, No. 3 ( 1997-03-01), p. 459-471
    Abstract: This study addresses the uncertain phyletic status of four Australian freshwater planarians: Dugesia glandulosa (Kenk, 1930), Planaria graffi Weiss, 1909, P. hoernesi Weiss, 1909, P. boehmigi Weiss, 1909. Planaria hoernesi and P. boehmigi are redescribed on the basis of newly prepared type material. Following up on previous studies, a new phylogenetic hypothesis concerning relationships within the family Dugesiidae is developed. In view of this hypothesis, and taking into account the incomplete information on the species' morphology, it is concluded that P. graffi is best assigned to the genus Cura Strand, 1942. Reinterpretation of features in species of the current genus Romankenkius Ball, 1974 resulted in a redefinition of this genus. It is shown that in its new concept, the genus Romankenkius accommodates the species R. bilineatus Ball & Tran, 1979, R. boehmigi (Weiss, 1909), R. hoernesi (Weiss, 1909), R. glandulosus (Kenk, 1930), R. kenki Ball, 1974, R. libidinosus Sluys & Rohde, 1991, R. michaelseni (Böhmig, 1902), R. pedderensis Ball, 1974, and R. patagonicus (Borelli, 1901). The current genus Cura is restricted to the species C. pinguis (Weiss, 1909), C. foremanii (Girard, 1852), and C. graffi (Weiss, 1909).
    Type of Medium: Online Resource
    ISSN: 0008-4301 , 1480-3283
    URL: Article
    DOI: 10.1139/z97-056
    RVK:
    WA 15000
    Language: English
    Publisher: Canadian Science Publishing
    Publication Date: 1997
    detail.hit.zdb_id: 1490831-1
    SSG: 12
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Taxonomy, ecology, and karyology of a new species of Phagocata from Spain, with a discussion on the phylogenetic systematics of the genus Phagocata s.l. (Platyhelminthes, Tricladida, Paludicola)
    Canadian Science Publishing ; 1995
    In:  Canadian Journal of Zoology Vol. 73, No. 3 ( 1995-03-01), p. 557-568
    Details
    In: Canadian Journal of Zoology, Canadian Science Publishing, Vol. 73, No. 3 ( 1995-03-01), p. 557-568
    Abstract: The new species Phagocata ullala Sluys, sp.nov. is described from two localities in Spain, the Ebro delta and Pyrenean Massif. The species is characterized by brown dorsal pigmentation, principally ventral testes throughout the body length, vasa deferentia that fuse to form the ejaculatory duct in the proximal section of the cone-shaped penis papilla, and a basic haploid complement of 17 chromosomes. Animals from the Pyrenees may be polyploid, with complements of 4n, 8n, 10n, and 14n. At present, the genus Phagocata s.l. is diagnosed only by plesiomorphic features. The paper explores possible apomorphic characters of several groups within this genus. It is suggested that "Albiplanaria" and Atrioplanaria are monophyletic taxa and that together "Albiplanaria," Fonticola olivacea, and Phagocata s.str. form a monophylum.
    Type of Medium: Online Resource
    ISSN: 0008-4301 , 1480-3283
    URL: Article
    DOI: 10.1139/z95-064
    RVK:
    WA 15000
    Language: English
    Publisher: Canadian Science Publishing
    Publication Date: 1995
    detail.hit.zdb_id: 1490831-1
    SSG: 12
    Location Call Number Limitation Availability
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    Online Resource
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