Diploneis sp. 3

Jovanovska, Elena, Levkov, Zlatko & Edlund, Mark B., 2015, The genus Diploneis Ehrenberg ex Cleve (Bacillariophyta) from Lake Hövsgöl, Mongolia, Phytotaxa 217 (3), pp. 201-248 : 241

publication ID

https://doi.org/ 10.11646/phytotaxa.217.3.1

persistent identifier

https://treatment.plazi.org/id/4B0E6E2A-FF95-FF92-FF2A-FB37FF0BF910

treatment provided by

Felipe

scientific name

Diploneis sp. 3
status

 

Diploneis sp. 3 ( Fig. 270 View FIGURES 253–271 )

The valve is elliptical with convex margins and round ends. The valve length is 39.0 μm, and the valve breadth is 20.5 μm. The axial area is linear to lanceolate, expanding toward the round central area. The central area is 4.5 μm wide. The longitudinal canal is lanceolate, expanded in the mid-valve, with two rows of areolae that coalesces into one towards the valve apices. The raphe is straight with expanded proximal ends. The striae are radiate, 11 in 10 μm, composed of round areolae, 15 in 10 μm.

Observations: —With respect to the valve outline, Diploneis sp. 3 can be associated with D. spectabilis and D. mongolica . However, the small number of observed valves does not enable critical comparisons to morphologically allied species. Therefore, additional observations are needed in order to define Diploneis sp. 3 .

Ecology and Distribution: —M068A: found in one epilithic collection at 10 cm depth in southern Lake Hövsgöl.

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