The Pennate DiatomsKoeltz Scientific Books, 1985 - 918 pagine |
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A.S.Atl Alveoli apices appear areolae Axial area axis Bacill bluntly rounded broad broadly capitate Cell wall Cells central area central nodule chambers Cleve close coasts Coll Collections common completely constricted convex crossed delicate Descriptions Diat differentiated Dipl Diploneis distinctly dorsal drawn Ehrenberg elliptical elongated Eunotia Europe fairly forms fresh water genus girdle view Grun Grunow Heurck Hust Hustedt Illustrations individuals inner intercalary bands keel Lake lanceolate Length less longitudinal Longitudinal canals longitudinal ribs margins Mastogloia middle line narrow Navicula Occurrence and Distribution oceans Original outer parallel Peragallo plane pole pores present protracted pseudoraphe puncta Raphe rare robust rounded ends rows separated short side slightly sometimes species standing Stauroneis straight strongly structure Synedra Synonyms Systematics throughout transapical ribs Transapical striae transverse um wide usually valve margin Valves linear varieties weakly wedge-shaped wide widened width