Catenula komodensis Witkowski, Risjani, Yunianta, M.Rybak & Luthfi, sp. nov. A–K light micrographs L–U SEM images. L–N external view on entire frustules; note a row of slit-like ventral and dorsal mantles (arrowheads) O detail of proximal raphe ending, externally P detail of apical raphe ending, externally Q–S detail of internal proximal raphe ending, arcuate raphe slit and distal raphe ending, respectively; note a row of linear small protruding flaps (R arrowhead) T–U internal valve view with 2 thickenings of silica on central area and near slit ends (U arrowheads). Scale bar: 10 µm (A–K).