TIBETIELLA PULCHRA GEN. NOV. ET SP. NOV., A NEW FRESHWATER EPILITHIC DIATOM (BACILLARIOPHYTA) FROM RIVER NUJIANG IN TIBET,CHINA1 |
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| Authors: | Yanling Li David M. Williams Ditmar Metzeltin J. Patrick Kociolek Zhijun Gong |
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| Affiliation: | 1. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China;2. Author for correspondence: e‐mail .;3. Botany Department, the Natural History Museum, Cromwell Road London SW7 5BD, UK;4. Am Stegskreuz 3b, D‐65719 Hofheim, Germany;5. Natural History Museum and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado 80309, USA |
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| Abstract: | Tibetiella pulchra Y. L. Li, D. M. Williams et Metzeltin is described from River Nujiang. Its main features are heteropolar valves, which are linear with capitate ends; narrow sternum, expanding at its center; 2–5 rimoportulae at each apex; uniseriate striae; two short projections arising on the surface above each apical pore plate; and an ocellulimbus, extending from the edge of the valve margin to the edge of the valve surface. Of these characters, it is defined by the 2–5 rimoportulae at each apex. T. pulchra was common to abundant on rocks in the samples examined herein. |
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| Keywords: | China diatom, new genus rimoportulae Tibet |
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