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
{"title":"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","authors":"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","doi":"10.4467/16890027AP.16.021.6008","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":50883,"journal":{"name":"Acta Protozoologica","volume":"42 1","pages":"221-229"},"PeriodicalIF":1.5000,"publicationDate":"2016-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi sp. nov. (Amoebozoa: Arcellinida) from Brazilian Continental Waters\",\"authors\":\"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\",\"doi\":\"10.4467/16890027AP.16.021.6008\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"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.\",\"PeriodicalId\":50883,\"journal\":{\"name\":\"Acta Protozoologica\",\"volume\":\"42 1\",\"pages\":\"221-229\"},\"PeriodicalIF\":1.5000,\"publicationDate\":\"2016-12-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta Protozoologica\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://doi.org/10.4467/16890027AP.16.021.6008\",\"RegionNum\":4,\"RegionCategory\":\"生物学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"MICROBIOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Protozoologica","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.4467/16890027AP.16.021.6008","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MICROBIOLOGY","Score":null,"Total":0}
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.
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.
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