FIGURES 33–36 in Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)

FIGURES 33–36. Hyalosynedra al-shareefii from KSA0100. 33. LM of entire valve showing thick sternum. 34. SEM of partly dissociated frustule showing external and internal views along with simple, unornamented girdle bands. 35. SEM interior detail of apex. 36. SEM detail of apex and girdle bands of partly dissociated frustule.