Silica-Scaled Chrysophytes of Teletskoye Lake and Adjacent Area with a Description of a New Species from the Genus Mallomonas

The silica-scaled chrysophyte flora of some lakes and rivers of the Altai Mountains was investigated by means of electron microscopy. Teletskoye Lake; the Biya, Chulyshman, and Katun Rivers; and small lakes around the area were studied. A total of sixteen taxa were recorded, including eight belongin...

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Bibliographic Details
Published in:Diversity (Basel) 2022-12, Vol.14 (12), p.1040
Main Authors: Gusev, Evgeniy, Martynenko, Nikita
Format: Article
Language:English
Subjects:
Electron microscopy
Flora
Lakes
Mallomonas
mountain lakes and rivers
Mountains
New species
Paraphysomonadales
Rivers
Scanning electron microscopy
Silica
Silicon dioxide
Striatae
Synurales
Taxa
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Summary:The silica-scaled chrysophyte flora of some lakes and rivers of the Altai Mountains was investigated by means of electron microscopy. Teletskoye Lake; the Biya, Chulyshman, and Katun Rivers; and small lakes around the area were studied. A total of sixteen taxa were recorded, including eight belonging to Mallomonas, five to Synura, and three to Paraphysomonas. A revision of previously reported taxa of scaled chrysophytes in this region was carried out. One species new to science from the genus Mallomonas was found and described. Mallomonas altaica sp. nov. belongs to the section Striatae and is characterised by scales with ribs covering only the anterior part of the shield and a posterior flange almost completely covered with the secondary siliceous layer. This species was discovered only at Teletskoye Lake.
ISSN:1424-2818
1424-2818
DOI:10.3390/d14121040