Taxonomic Characterization of Two New Diatoms Podosphenia bangladeshika sp. nov. and Synedra ulna var. cladophorae var. nov. (Bacillariophyceae) from Bangladesh Water. J. Biodivers. Conserv. Bioresour. Manag. 2024;10(1):75-80. doi:10.3329/jbcbm.v10i1.74599