海産底生珪藻Mastogloia minutissima Voigtの形態と分類

In the present work, we successfully applied to both light and electron microscopes in the study of the fine structures in marine epipelic diatom Mastogloia minutissima Voigt. The following morphological features of this taxa are described in detail for the first time. M. minutissima has almost straight external raphe fissures, hooked terminal fissures, biseriate areolae, partectum with puncta, partectal ducts with external openings closed to each pole, cingulum composed of a valvocopura and two second bands