Three new Luticola species from the Andean-Amazonian transition in Colombia: taxonomy, morphology and preliminary considerations of the biogeography of the genus

IF 1.9 3区生物学 Q2 MARINE & FRESHWATER BIOLOGY Diatom Research Pub Date : 2020-10-01 DOI:10.1080/0269249x.2020.1813205

J. Simonato, J. Kociolek, Silvia E. Sala, Yasmin Plata Díaz, M. Núñez-Avellaneda

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引用次数: 7

Abstract

ABSTRACT Three new species of Luticola are described from lotic ecosystems in Andakí Municipal Natural Park, located in the Andean-Amazon region on the eastern flank of the eastern Andes mountain range in Colombia. Size and morphological features of the three new species, L. caquetensis Kociolek, Simonato & Núñez-Avellaneda sp. nov., L. andakiesiorum Simonato, Kociolek & Plata Díaz sp. nov., and L. sinchii Sala, Kociolek & Simonato sp. nov. are provided, based on light and scanning electron microscopical observations, and compared with similar congeners. Species of the genus are organized into groups depending upon whether they possess or lack marginal channels and/or pseudosepta. All the new species possess pseudosepta and L. caquetensis and L. andakiesiorum lack marginal channels. The two latter species share this combination of features with Luticola affinis Levkov et al., a species described from Brazil. These species thus form a unique group within the genus, offering additional evidence for the unique biodiversity found in this region.

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哥伦比亚安第斯-亚马逊过渡时期的三种卢提科拉新种:分类、形态和对该属生物地理学的初步考虑

摘要:在位于哥伦比亚安第斯山脉东部侧翼的安第斯-亚马逊地区Andakí市政自然公园的生态系统中，描述了3个卢蒂科拉新种。根据光镜和扫描电镜观察，给出了3个新种(L. caquetensis Kociolek, Simonato & Núñez-Avellaneda sp. nov.、L. andakiesiorum Simonato, Kociolek & Plata Díaz sp. nov.和L. sinchii Sala, Kociolek & Simonato sp. nov.)的大小和形态特征，并与相似的同属植物进行了比较。该属的物种被组织成组取决于他们是否拥有或缺乏边缘通道和/或假隔膜。所有新种均具有假隔，而松毛虫缺乏边缘通道。后两个物种与Luticola affinis Levkov等人(一种来自巴西的物种)共有这种特征组合。因此，这些物种在该属中形成了一个独特的群体，为该地区发现的独特生物多样性提供了额外的证据。

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来源期刊

Diatom Research 生物-海洋与淡水生物学

CiteScore

2.70

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： Diatom Research is the journal of the International Society for Diatom Research. The journal is published quarterly, in March, June, September and December, and welcomes manuscripts on any aspect of diatom biology. In addition to full-length papers, short notes and reviews of recent literature are published which need not contain all the sections required for full-length papers; we see these as being necessary to record information which is of interest but which cannot be followed up in detail. Discursive “Opinion” papers are encouraged which would not necessarily follow the normal lay-out. If extremely long papers are to be offered, the author(s) should contact the editors first to discuss any problems. Book reviews, obituaries and meeting reports can be published. All papers will be subject to critical review by the editors and referees, as appropriate to their content. Papers will be accepted in English only.