Cocconeis sawensis sp. nov. (Bacillariophyceae) from a saline lake (Sawa Lake), South Iraq: comparison with allied taxa - Archive ouverte HAL Access content directly
Journal Articles Phytotaxa Year : 2014

Cocconeis sawensis sp. nov. (Bacillariophyceae) from a saline lake (Sawa Lake), South Iraq: comparison with allied taxa

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Abstract

A new species of the genus Cocconeis is described. Cocconeis sawensis sp. nov. was observed as epiphyte on the macrophyte Chara Linn. sp., collected from a saline lake in Iraq (Sawa Lake). Description of the new species is based on details observed with light and scanning electron microscopy. Cocconeis sawensis belongs to a group of taxa similar to Cocconeis euglypta Ehrenberg, but differs in a number of fine ultrastructural features including stria density and hymenes, raphe, valve shape and rim, valvocopula, hymen perforations and fimbriae shape as well as a presence of a pore-like structure reminiscent of a vestigial raphe in the sternum valve. A comparison with closely related taxa is given.
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Dates and versions

hal-01296895 , version 1 (01-04-2016)

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Adil Y. Al-Handal, Catherine Riaux-Gobin, Dawood S. Abdulla, Malik H. Ali. Cocconeis sawensis sp. nov. (Bacillariophyceae) from a saline lake (Sawa Lake), South Iraq: comparison with allied taxa. Phytotaxa, 2014, 181 (4), ⟨10.11646/phytotaxa.181.4.2⟩. ⟨hal-01296895⟩
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