Diversity of silica-scaled chrysophytes (Chrysophyceae) from Mindanao Island (Philippines) with the description of Mallomonas pseudopustula sp. nov.

Authors: Gusev, Evgeniy Country: Philippines DOI: 10.3897/phytokeys.268.176758 Published: Jan. 1, 2025 Source: PhytoKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Chrysophyceae · Topics: Protist diversity and phylogeny, Infections and bacterial resistance, Bacteriophages and microbial interactions

This study presents the first comprehensive investigation of chrysophytes from the Philippines. The flora of silica-scaled chrysophytes from freshwaters of Mindanao Island has been studied by means of scanning and transmission electron microscopy. A total of thirty-six taxa were recorded, including three belonging to Paraphysomonas, two to Spiniferomonas, one to Lepidochromonas, twenty-nine to Mallomonas and one to Synura. A new species, Mallomonas pseudopustula sp. nov., was discovered and described. Several unidentified Mallomonas taxa were also recorded. The flora of silica-scaled chrysophytes of the Mindanao Island is similar to the flora of neighbouring countries — Vietnam, Indonesia and Malaysia.

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