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Taxonomy of five species of cyrtophorids (Protozoa: Ciliophora) including consideration of the phylogeny of two new genera
Pan, H.; Lin, X.; Gong, J.; Al-Rashied, K.A.S.; Song, W. (2012). Taxonomy of five species of cyrtophorids (Protozoa: Ciliophora) including consideration of the phylogeny of two new genera. Zool. J. Linn. Soc. 164(1): 1-17. dx.doi.org/10.1111/j.1096-3642.2011.00751.x
In: Zoological Journal of the Linnean Society. Academic Press: London. ISSN 0024-4082, more

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Keywords
    New genera; New species; Ciliophora [WoRMS]; Heterohartmannula fangi; Hypocoma acinetarum Collin, 1907 [WoRMS]; Protozoa [WoRMS]; Trochilia alveolata; Trochochilodon flavus; Marine

Authors  Top 
  • Pan, H.
  • Lin, X.
  • Gong, J.
  • Al-Rashied, K.A.S.
  • Song, W.

Abstract
    Cyrtophorids are a specialized group of ciliated protozoa with multitudinous morphotypes. In the present work, the morphology and infraciliature of two new and three rarely known species, including two new genera of cyrtophorid ciliates, Heterohartmannula fangi gen. et sp. nov., Aporthotrochilia pulex (Deroux, 1976) gen. et comb. nov., Trochilia alveolata sp. nov., Trochochilodon flavus Deroux, 1976, and Hypocoma acinetarum Collin, 1907, are described. Heterohartmannula gen. nov. is mainly characterized by a combination of features: two circumoral kineties obliquely arranged, podite not surrounded by somatic kineties, and no distinct gap between left and right ciliary field. Aporthotrochilia gen. nov. is diagnosed mainly by: podite present, oral ciliature reduced to two fragments, several kinety fragments positioned on the right posterior of frontoventral kineties and several terminal fragments. Phylogenetic analyses based on the small subunit rRNA (SSU rRNA) gene sequences support the establishment of two new genera and indicate that Heterohartmannula is most closely related to Hartmannula, and Aporthotrochilia is basal to the Cyrtophoria-Chonotrichia clade. Trochilia alveolata sp. nov. differs from its congeners mainly by having a conspicuous alveolar layer. In addition, detailed live and infraciliature data of Hypocoma acinetarum and Trochochilodon flavus are supplied.

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