巴西大陆水域一种新型有壳变形虫Arcella gandalfi sp. nov.(变形虫纲:Arcellinida)的形态学和形态计量学描述

IF 1.5 4区生物学 Q4 MICROBIOLOGY

Acta Protozoologica Pub Date : 2016-12-20 DOI:10.4467/16890027AP.16.021.6008

J. C. Féres, A. L. Porfírio-Sousa, Giulia M. Ribeiro, G. M. Rocha, J. M. Sterza, M. B. G. E. Souza, C. E. A. Soares, D. Lahr

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引用次数: 3

摘要

Arcellinida是自由生活的叶状变形虫，产生一个外壳(试验)。在这里，我们描述了一个引人注目的新种，Arcella gandalfi sp. nov，来自巴西大陆水域，以及形态学和生物统计学特征。测试直径和测试高度平均分别为81和71。这个新种有一个顶端的锥形延伸，这是它区别于其它安乐属的一个特点。甘道夫似乎与巴西利亚有密切的关系，因为只有在这两个物种中才有明显的边缘环(试验边缘)。由于甘道夫很容易被形态学特征识别，并且由于其明显的地理限制在南美洲，我们讨论了它作为新的旗舰物种的可能性。

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Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp. nov. (Amoebozoa: Arcellinida) from Brazilian Continental Waters

Arcellinida are free-living lobose amoebae that produce an outer shell (test). Here, we describe a conspicuous new species, Arcella gandalfi sp. nov, from Brazilian continental waters, along with a morphological and biometrical characterization. Test diameter and test height are on average 81 and 71 respectively. This new species has an apical conical extension, which differentiates it from other Arcella species. A. gandalfi seems to be closely-related to A. brasiliensis, due to the distinct marginal ring (test brim) present only in these two species. Since A. gandalfi is easily identified by morphological features and due to its apparent geographic restriction to South America, we discuss its possible use as a new flagship species.

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来源期刊

Acta Protozoologica 生物-微生物学

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Acta Protozoologica - International Journal on Protistology - is a quarterly journal that publishes current and comprehensive, experimental, and theoretical contributions across the breadth of protistology, and cell biology of Eukaryote microorganisms including: behaviour, biochemistry and molecular biology, development, ecology, genetics, parasitology, physiology, photobiology, systematics and phylogeny, and ultrastructure. It publishes original research reports, critical reviews of current research written by invited experts in the field, short communications, book reviews, and letters to the Editor.