一新种Trichodina Ehrenberg, 1838 (Ciliophora: Trichodinidae)在Biomphalaria schrammi (Crosse, 1864)(软体动物:Planorbidae)

Lundiana: International Journal of Biodiversity Pub Date : 2007-06-28 DOI:10.35699/2675-5327.2006.23080

H. A. Pinto, Alfredo H. Wieloch, A. L. Melo

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引用次数: 3

摘要

描述了在Biomphalaria schrammi (Crosse, 1864)中发现的一新种。该新种黏盘中心呈网状，大细胞核呈马蹄形，胞体直径80.0±7 μm，黏盘直径41.4±2.9 μm;与已有的毛霉属植物不同，每个毛霉属植物长19 ~ 32(27±3)个13.1±1.1 μm，长8±1个6.6±1.1 μm。这是在巴西首次报道毛虱和Biomphalaria属软体动物之间的仿生相互作用。关键词:纤毛虫，飞虱科，腹足类，沙蚤，毛癣菌

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Uma nova espécie de Trichodina Ehrenberg, 1838 (Ciliophora: Trichodinidae) em Biomphalaria schrammi (Crosse, 1864) (Mollusca: Planorbidae)

A new species of Peritrichida found in Biomphalaria schrammi (Crosse, 1864) is described. This new species is characterized by a reticular central area of the adhesive disc and a horseshoe-shaped macronucleus, a 80.0 ± 7 μm-diameter celular body and a 41.4 ± 2.9 μm adhesive disc; it shows 19-32 (27±3) 13.1 ± 1.1 μm - long denticle, and 8 ± 1 6.6 ± 1.1 μm - long radial pins per denticle, being different from other already described Trichodina. This is the first report of simbiontic interaction among trichodinid and molluscs of the genus Biomphalaria in Brazil. Keywords: Ciliophora, Peritrichidae, Gastropoda, Biomphalaria schrammi, Trichodina machadoi sp. n.

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Lundiana: International Journal of Biodiversity

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