FIGURES 155–160. Odontidium neomaximum, SEM. 155–158. Meister collection, Z material 396 in Reinvestigation of the type material for Odontidium hyemale (Roth) Kützing and related species, with description of four new species in the genus Odontidium (Fragilariaceae, Bacillariophyta)

FIGURES 155–160. Odontidium neomaximum, SEM. 155–158. Meister collection, Z material 396, Engadin, Switzerland. 159. NMW. C.2012.019.2012.Austria.7.bryo, Stubaier Alps near Kühtai, Austria, spring. 160. NMW.C.2012.021.2012.Italy.18, Gesso della Valletta Valley, Piedmont, Italy, spring. 155. View of whole valve. 156, 157. Details of valve face, poles, pore fields and rimoportulae. 158. Girdle view of pole and details of spines. 159. Detail of valve surface. 160. Girdle view of complete frustule. Scale bars = 2 μm (Figs 155–158, 160), 1 μm (Fig. 159).