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Issue: Vol. 665 No. 3: 24 Sept. 2024
Type: Article
Published: 2024-09-24
DOI: 10.11646/phytotaxa.665.3.4
Page range: 221-232
Abstract views: 118
PDF downloaded: 6

Mallomonas gemina comb. et stat. nov. (Synurales, Chrysophyceae)—a new combination based on molecular studies

A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninsky Prospect 33, 119071 Moscow, Russia
T.I. Vyazemsky Karadag Scientific Station, Natural Reserve of the Russian Academy of Sciences, Nauki street, 24, Kurortnoe, Feodosiya, 298188, Russia
A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninsky Prospect 33, 119071 Moscow, Russia
Joint Vietnam-Russia Tropical Science and Technology Research Center, 63 Nguyen Van Huyen, Nghia Do, Cau Giay, Ha Noi, 11307, Vietnam
Moscow Institute of Physics and Technology, Dolgoprudny, 141701, Russia
Synurales Mallomonas section Torquatae scale ultrastructure molecular phylogeny new combination tropics Algae

Abstract

Strains of Mallomonas favosa f. favosa and Mallomonas favosa f. gemina from Vietnam have been studied. Their phylogenetic position was revealed using the SSU rDNA + rbcL cpDNA dataset. The ultrastructure of the scales and bristles was studied using transmission and scanning electron microscopy. A new combination was proposed: Mallomonas gemina comb. et stat. nov. The morphological features of the species are discussed in this paper. Based on a revision of the published data, the distribution of Mallomonas gemina was clarified. Mallomonas gemina is recorded mainly in tropical and subtropical areas in Asia.

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