Two new species of the diatom genus Navicula Bory (Bacillariophyceae) from Vietnam (Southeast Asia)

被引:6
作者
Kulikovskiy, Maxim [1 ]
Chudaev, Dmitry [2 ]
Glushchenko, Anton [1 ]
Kuznetsova, Irina [1 ]
Frolova, Larisa [3 ]
Kociolek, John Patrick [4 ,5 ]
机构
[1] IPP RAS, KA Timiryazev Inst Plant Physiol RAS, Moscow, Russia
[2] Moscow MV Lomonosov State Univ, Fac Biol, Dept Mycol & Algol, Moscow, Russia
[3] Kazan Fed Univ, Kazan, Russia
[4] Univ Colorado, Museum Nat Hist, Boulder, CO 80309 USA
[5] Univ Colorado, Dept Ecol & Evolutionary Biol, Boulder, CO 80309 USA
基金
俄罗斯科学基金会;
关键词
diatoms; new species; Navicula; morphology; Vietnam; Southeast Asia; ANCIENT LAKE MATANO;
D O I
10.1080/0269249X.2020.1853608
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
We present light and scanning electron microscopical observations on two new species of Navicula Bory sensu stricto from Vietnam. These new species, Navicula babeiensis Chudaev, Glushchenko, Kulikovskiy & Kociolek sp. nov. and Navicula pseudokuseliana Chudaev, Glushchenko, Kulikovskiy & Kociolek sp. nov. are described and distinguished from others in the genus on the basis of valve outline and shape of the apices, as well as stria and areola densities. These species possess all the typical morphological features for the genus, including uniseriate lineolate striae covered by internal convex hymenes, median raphe with accessory rib, and external distal raphe ends that are hooked in the characteristic way for the genus. Comparisons with similar taxa are given. Our new data extend the information about the diversity of diatoms in general and for Navicula taxa specifically, in Southeast Asia.
引用
收藏
页码:63 / 75
页数:13
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