Halamphora daochengensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from a small mountain lake, Sichuan Province, China

Zhang, W.; Wang, T.; Levkov, Z.; Jüttner, I.; Ector, L.; Zhou, Q.-C.

doi:/10.11646/phytotaxa.404.1.2

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Halamphora daochengensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from a small mountain lake, Sichuan Province, China

Zhang, W.; Wang, T.; Levkov, Z.; Jüttner, I.; Ector, L.; Zhou, Q.-C. (2019). Halamphora daochengensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from a small mountain lake, Sichuan Province, China. Phytotaxa 404(1): 12. https://dx.doi.org/10.11646/phytotaxa.404.1.2

In: Phytotaxa. Magnolia Press: Auckland. ISSN 1179-3155; e-ISSN 1179-3163

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Keywords

Algae
Asia
Classification > Taxonomy
Taxa > Species > New taxa > New species
Halamphora (Cleve) Z. Levkov, 2009 [WoRMS]
Asia [Marine Regions]

Author keywords

Lake Congqiancuo; Haizishan Nature Reserve

Authors		Top
Zhang, W. Wang, T. Levkov, Z.	Jüttner, I. Ector, L., more Zhou, Q.-C.

Abstract

During a survey of freshwater diatoms from a mountain lake, Lake Congqiancuo, Haizishan Nature Reserve, Yading, Daocheng County, Sichuan Province, China, a new Halamphora species, Halamphora daochengensis sp. nov. was found. A detailed morphological description of the new species is presented, based on light and scanning electron microscopy. The main features of H. daochengensis are dorsiventral, semi-lanceolate valves with a strongly triundulate dorsal margin and valve ends distinctly protracted and capitate. The new species is compared with other similar species including Halamphora dusenii and H. normanii var. undulata which differ in size, valve shape, stria density and ultrastructure.

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