Halamphora dusenii (Brun) Levkov, 2009

You, Qingmin, Kociolek, John Patrick & Wang, Quanxi, 2015, Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species, Phytotaxa 205 (2), pp. 75-89 : 85

Halamphora dusenii (Brun) Levkov ( Fig. 82 )

Description:— Valve semi–lanceolate, dorsiventral with triundulate dorsal margin and slightly concave ventral margin. Valve ends protracted and capitate. Raphe biarcuate with dorsally bent proximal endings. Length 18.3 μm, valve breadth 3.3 μm. Striae radiate throughout, 24–25/10 μm.

Distribution and ecology:— A single specimen was found at Gongbujiangda, Tibet, China, altitude 3550 m a.s.l., pH 7.2, collected in a swamp near the road.

Figures

FIGURES 78–90. 78–81. Halamphora tenella. LM. 82. Halamphora dusenii. LM. 83–86. Halamphora sp. 1. LM. 87–89. Halamphora sp. 2. LM. 90. Halamphora sp. 3. Scale bars = 10 μm for all LM figures.