| Title: |
Cocconeis crisscrossis sp. nov., a new monoraphid diatom (Bacillariophyta) from southern China. |
| Authors: |
Huiwen Zhou1, Pan Yu2, Luyi Guo1, Kociolek, John Patrick3, Quanxi Wang1, Qingmin You1 youqm1117@shnu.edu.cn |
| Source: |
PhytoKeys. 2024, Issue 242, p39-50. 12p. |
| Subject Terms: |
*SCANNING electron microscopy, *DIATOMS, *NAVICULA, *MICROSCOPY, *NATURE reserves |
| Geographic Terms: |
CHINA |
| Abstract: |
A novel monoraphid diatom species, Cocconeis crisscrossis You, Yu, Kociolek & Wang, sp. nov. is examined and described from the Qingyi River and Maolan Nature Reserve of southern China. The morphological description is based on light microscopy and scanning electron microscopy observations and the new species is compared with similar taxa in this genus. The characteristics unique to Cocconeis crisscrossis sp. nov. include its central area extending irregularly to both sides, it having closed valvocopulae with heavily silicified fimbriate margins and poles of the valvocopulae have 'sword-shaped' siliceous extensions. These features differentiate this new species from others in the genus. This new species was found in alkaline waterbodies, including streams, waterfall and ponds. It was usually found as an epiphyte on the stones; however, it was present on other substrates such as mosses. [ABSTRACT FROM AUTHOR] |
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| Database: |
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