taxonID	type	description	language	source
03A787A1BC3E1959FF05FC9F4B532111.taxon	description	Cysts were not observed.	en	Podunay, Yulia, Martynenko, Nikita, Shkurina, Nataliya, Tran, Hoan, Gusev, Evgeniy (2025): Two new Mallomonas species (Synurales, Chrysophyceae) from section Torquatae: Mallomonas sagittifera and Mallomonas trifonovae. Phytotaxa 710 (1): 91-104, DOI: 10.11646/phytotaxa.710.1.5, URL: https://doi.org/10.11646/phytotaxa.710.1.5
03A787A1BC3E1959FF05FC9F4B532111.taxon	materials_examined	Holotype (here designated): Portion of a single gathering of cells on SEM stub 63 _ I _ 1 deposited at the Herbarium of the Steppe Institute of the Ural Branch of the Russian Academy of Sciences, Orenburg (ORIS). Material from a pool near swamp Bau Thai in Cat Tien National Park, Dong Nai Province, Vietnam, collected by E. S. Gusev on the 6 th of May, 2018. The strain was isolated by Yu. A. Podunay. Figure 3 is a representative scale from the type specimen. Type Locality: Pool near swamp Bau Thai in Cat Tien National Park, Dong Nai Province, Vietnam. Latitude / Longitude: N 11 ° 30.377 ’ E 107 ° 21.658 ’. Genbank accession numbers for the reference strain (B 8 / 22): PV 791366 (nuclear SSU rDNA), PV 780783 (rbc L cpDNA) and PV 791370 (nuclear ITS rDNA). Genbank accession numbers for another strain (61 _ 18): PV 791367 (nuclear SSU rDNA) and PV 780784 (rbc L cpDNA).	en	Podunay, Yulia, Martynenko, Nikita, Shkurina, Nataliya, Tran, Hoan, Gusev, Evgeniy (2025): Two new Mallomonas species (Synurales, Chrysophyceae) from section Torquatae: Mallomonas sagittifera and Mallomonas trifonovae. Phytotaxa 710 (1): 91-104, DOI: 10.11646/phytotaxa.710.1.5, URL: https://doi.org/10.11646/phytotaxa.710.1.5
03A787A1BC3E1959FF05FC9F4B532111.taxon	etymology	Etymology: the species epithet means “ carrying arrows ” and reflects the presence of an additional arrowheadshaped rib on the posterior flange.	en	Podunay, Yulia, Martynenko, Nikita, Shkurina, Nataliya, Tran, Hoan, Gusev, Evgeniy (2025): Two new Mallomonas species (Synurales, Chrysophyceae) from section Torquatae: Mallomonas sagittifera and Mallomonas trifonovae. Phytotaxa 710 (1): 91-104, DOI: 10.11646/phytotaxa.710.1.5, URL: https://doi.org/10.11646/phytotaxa.710.1.5
03A787A1BC3E1959FF05FC9F4B532111.taxon	distribution	Distribution: In addition to the type locality, this species has been observed in four more localities in Vietnam (Table 1). Mallomonas sagittifera was found under the following environmental parameters: pH from 5.2 to 7.4, specific conductance from 10 to 77 µS cm- 1, and temperature 24 – 39 ºC (Table 1).	en	Podunay, Yulia, Martynenko, Nikita, Shkurina, Nataliya, Tran, Hoan, Gusev, Evgeniy (2025): Two new Mallomonas species (Synurales, Chrysophyceae) from section Torquatae: Mallomonas sagittifera and Mallomonas trifonovae. Phytotaxa 710 (1): 91-104, DOI: 10.11646/phytotaxa.710.1.5, URL: https://doi.org/10.11646/phytotaxa.710.1.5
03A787A1BC3B195CFF05FC3C4B612101.taxon	materials_examined	Holotype (here designated): Portion of a single gathering of cells on SEM stub 64 _ I _ 1 deposited at the Herbarium of the Steppe Institute of the Ural Branch of the Russian Academy of Sciences, Orenburg (ORIS). Material from swamp Bau Thai in Cat Tien National Park, Dong Nai Province, Vietnam, collected by E. S. Gusev on the 6 th of May, 2018. The strain was isolated by Yu. A. Podunay. Figure 25 represents scales from the type specimen. Type Locality: Swamp Bau Thai in Cat Tien National Park, Dong Nai Province, Vietnam. Latitude / Longitude: N 11 ° 30.382 ’ E 107 ° 21.616 ’. Genbank accession numbers for the reference strain (8 _ 18): PV 791368 (nuclear SSU rDNA), PV 780785 (rbc L cpDNA) and PV 791369 (nuclear ITS rDNA).	en	Podunay, Yulia, Martynenko, Nikita, Shkurina, Nataliya, Tran, Hoan, Gusev, Evgeniy (2025): Two new Mallomonas species (Synurales, Chrysophyceae) from section Torquatae: Mallomonas sagittifera and Mallomonas trifonovae. Phytotaxa 710 (1): 91-104, DOI: 10.11646/phytotaxa.710.1.5, URL: https://doi.org/10.11646/phytotaxa.710.1.5
03A787A1BC3B195CFF05FC3C4B612101.taxon	etymology	Etymology: the species epithet is in honor of scientist Irina S. Trifonova (Russia), a well-known expert in algae for her contribution to the study of chrysophytes.	en	Podunay, Yulia, Martynenko, Nikita, Shkurina, Nataliya, Tran, Hoan, Gusev, Evgeniy (2025): Two new Mallomonas species (Synurales, Chrysophyceae) from section Torquatae: Mallomonas sagittifera and Mallomonas trifonovae. Phytotaxa 710 (1): 91-104, DOI: 10.11646/phytotaxa.710.1.5, URL: https://doi.org/10.11646/phytotaxa.710.1.5
03A787A1BC3B195CFF05FC3C4B612101.taxon	distribution	Distribution: In addition to the type locality, this species has been observed in three more localities in Vietnam (Table 1). Mallomonas trifonovae was found under the following environmental parameters: pH from 5.2 to 6.2, specific conductance from 27 to 242 µS cm- 1, and temperature 26 – 37 ºC (Table 1).	en	Podunay, Yulia, Martynenko, Nikita, Shkurina, Nataliya, Tran, Hoan, Gusev, Evgeniy (2025): Two new Mallomonas species (Synurales, Chrysophyceae) from section Torquatae: Mallomonas sagittifera and Mallomonas trifonovae. Phytotaxa 710 (1): 91-104, DOI: 10.11646/phytotaxa.710.1.5, URL: https://doi.org/10.11646/phytotaxa.710.1.5
