diatoms:

preview-picture	description	comment
	achnanthes clevel Unterbacher pond, Duesseldorf July 2002	girdle viewMicroscopy, photomicrograph, Microfoto
	Achnanthes inflata Aquarium January 2008	Girdle view of the living cellMicroscopy, photomicrograph, Microfoto
	Achnanthes inflata Aquarium January 2008	RapheMicroscopy, photomicrograph, Microfoto
	Achnanthes inflata Aquarium January 2008	Side without rapheMicroscopy, photomicrograph, Microfoto
	Actinoptychus senarius Ehrenberg Desbarrancado Peru	Diameter 63 µmMicroscopy, photomicrograph, Microfoto
	Asterionella formosa quarry pond near Hilden August 2007	Microscopy, photomicrograph, Microfoto
	Asterolampra affinis Desbarrancado Peru	Microscopy, photomicrograph, Microfoto
	Aulacoseira spec. Diatomite Lüneburger Heide Fossil (350000 years)	ZraxMicroscopy, photomicrograph, Microfoto
	Bacillaria paxillifer (former B. paradoxa) Ruhr near Witten July 2007	The cells of B. paxillifer tend to form clusters with each other. In these clusters the cells move along with their raphes faced to their neighbours. The velocity of one cells is hereby added to that of the neighbour-cells and so interesting movements occur.
	Bacillaria paxillifer (former B. paradoxa) Ruhr near Witten July 2007	Video (divx-coded). The video shows the above described characteristic movement of B. paxillifer.Microscopy, photomicrograph, Microfoto
	Bacillaria paxillifer (former B. paradoxa) Ruhr near Witten July 2007	Video (divx-coded). The video shows the above described characteristic movement of B. paxillifer.
	Cocconeis placentula Botanical Garden, University Duesseldorf February 2008	Back side without raphe, 33 µm long, 22 µm wide, 18,5 stripes on 10 µm, 23 points on 10 µm Microscopy, photomicrograph, Microfoto
	Cocconeis placentula Botanical Garden, University Duesseldorf February 2008	Front side with raphe, 33 µm long, 22 µm wide, 18,5 stripes on 10 µm, 23 points on 10 µm Microscopy, photomicrograph, Microfoto
	cyclotella spec. little creek near Langenfeld September 2005	Microscopy, photomicrograph, Microfoto
	cyclotella comta little creek near Roermond October 2002	Microscopy, photomicrograph, Microfoto
	Cymatopleura solea Southpark, Düsseldorf March 2009	valve viewMicroscopy, photomicrograph, Microfoto
	Cymatopleura solea Southpark, Düsseldorf March 2009	Girdle viewMicroscopy, photomicrograph, Microfoto
	Cymatopleura solea Southpark, Düsseldorf March 2009	Video, 9 MBMicroscopy, photomicrograph, Microfoto
	Cymbella cistula Botanical Garden, University Duesseldorf February 2008	56 µm long, 13 µm wide, 10 striepes on 10 µm, 22 points on 10 µm Microscopy, photomicrograph, Microfoto
	Cymbella helvetica Diatomite Lüneburger Heide Fossil (350000 years)	ZraxMicroscopy, photomicrograph, Microfoto
	cymbella lanceolata garden pond October 2003	Microscopy, photomicrograph, Microfoto
	Cymbella proxima botanical garden university Duesseldorf, February 2008	lenght: 78 µm; width: 20 µm; 8 stripes per 10 µm; 14 pores per 10 µm Microscopy, photomicrograph, Microfoto
	Cymbella tumida botanical garden university Duesseldorf April 2008	Zrax, length: 56 µm; width: 16 µm; 10 stripes per 10 µm; 18 pores /10 µm Microscopy, photomicrograph, Microfot
	cymbella ventricosa botanical garden university Duesseldorf, July 2002	Microscopy, photomicrograph, Microfoto
	Cymbella spec. South-Park, Duesseldorf, March 2007	Several algae in one common mucous borderline
	Cymbella spec. South-Park, Duesseldorf, March 2007	Several algae in one common mucous borderline, in which they can move forwardMicroscopy, photomicrograph, Microfoto
	Diatoma vulgaris Brook near Langenfeld June 2007	Microscopy, photomicrograph, Microfoto
	Diatoma vulgaris Brook near Langenfeld June 2007	Microscopy, photomicrograph, Microfoto
	diploneis species Schee tunnel, Wuppertal January 2006	valve view, raphe good visible. the left picture shows only the skeleton , the right picture a living individual. (CombineZ5, 10 pictures stacked)Microscopy, photomicrograph, Microfoto
	Ellerbeckia arenaria Botanical garden University Düsseldorf April 2008	Similar to Melosira Ellerbeckia arenaria forms long chains. Mountant: airMicroscopy, photomicrograph, Microfoto
	Ellerbeckia arenaria Botanical garden University Düsseldorf April 2008	In addition to the main girdle band in the middle of each cell intermediate girdlebands can be seen, too. Mountant: ZRAXMicroscopy, photomicrograph, Microfoto
	Ellerbeckia arenaria Botanical garden University Düsseldorf April 2008	With the mountant Euparal contrasts are weaker, but on the other hand there is little more depth of focus. Microscopy, photomicrograph, Microfoto
	Ellerbeckia arenaria Botanical garden University Düsseldorf April 2008	Only with the mountant Euparal it is possible to show the surface line in an optical cross-section. The contrats with ZRAX are too heavy and the picture gets too dark.Microscopy, photomicrograph, Microfoto
	Ellerbeckia arenaria Botanical garden University Düsseldorf April 2008	Discus is flt with radial stripes that do not reach the centre. Mountant: ZRAX Microscopy, photomicrograph, Microfoto
	Epithemia adnata Diamtomite Lüneburger Heide Fossil (350000 years)	ZraxMicroscopy, photomicrograph, Microfoto
	Epithemia sorex Diamtomite Lüneburger Heide Fossil (350000 years)	ZraxMicroscopy, photomicrograph, Microfoto
	Epithemia turgida Botanical garden University Düsseldorf	NaphraxMicroscopy, photomicrograph, Microfoto
	eunotia valida Hilden heathland, December 2006	Microscopy, photomicrograph, Microfoto
	Fragilaria spec. between Sphagnum, Birgelen, virgin forest April 2013	Brightfield and Chlorophyll autofluorescence in 365 nm UV-excitation Microscopy, photomicrograph, Microfoto
	gomphonema spec. national horticultural show Duesseldorf, April 2006	10 pictures stacked with CombineZ5
	Gomphonema ventricosum Diamtomite Lüneburger Heide Fossil (350000 years)	ZraxMicroscopy, photomicrograph, Microfoto
	gyrosigma spec. bathing pond in the Ville July 2005	Microscopy, photomicrograph, Microfoto
	Gyrosigma acuminatum Botanical garden, University Düsseldorf, April 2008	Stripes 13 / 10 µm, pores 12 / 10 µm). Size: 125 µm long, 19 µm broad. Microscopy, photomicrograph, Microfoto
	Melosira undulata freshwater aquarium January 2007	Microscopy, photomicrograph, Microfoto
	Melosira undulata freshwater aquarium January 2007	Microscopy, photomicrograph, Microfoto
	Melosira undulata freshwater aquarium January 2007	annealed preparation, phase contrastMicroscopy, photomicrograph, Microfoto
	Melosira undulata freshwater aquarium January 2007	annealed preparation, approx. 16 rows of pores pro 10 µm along the longitudinal axis. There are wart-like dots on the left and right cell ends.Microscopy, photomicrograph, Microfoto
	Melosira undulata freshwater aquarium January 20077	annealed preparation. The discus shows radial, sometimes branched, rows of pores, that let the center free.Microscopy, photomicrograph, Microfoto
	melosira varians little creek near Langenfeld Uferzone September 2005	CombineZ5, 3 pictures
	melosira varians Urdenbacher floodplain, May 2004	formation of an auxozygoteMicroscopy, photomicrograph, Microfoto
	Meridion circulare Schee tunnel, April 2007	Microscopy, photomicrograph, Microfoto
	navicula radiosa Hilden heathland, March 2002	Microscopy, photomicrograph, Microfoto
	pinnularia spec, Schwalm-Nette area, white stone, December 2006	valve view
	pinnularia viridis Urdenbacher floodplain May 2004	GürtelbandansichtMicroscopy, photomicrograph, Microfoto
	pinnularia_viridis garden pond December 2002	video (0,62 MB, avi-format)Microscopy, photomicrograph, Microfoto
	stauroneis anceps national horticultural show Duesseldorf, April 2006	5 pictures stacked with CombineZ5
	stauroneis smithii garden pond August 2002	Microscopy, photomicrograph, Microfoto
	surirella robusta splendida Cologne-Wahn moor July 2004	Microscopy, photomicrograph, Microfoto
	synedra capitata botanical garden university Duesseldorf, April 2006	Microscopy, photomicrograph, Microfoto
	Synedra capitata botanical garden university Duesseldorf, February 2008	Naphrax, Sulfuric acid, Potassiumpermanganate, Oxalic acid Length: 190 µm, Width: 8 µm, 11 Stipes / 10 µmMicroscopy, photomicrograph, Microfoto
	Synedra capitata botanical garden university Duesseldorf, February 2008	Naphrax, Sulfuric acid, Potassiumpermanganate, Oxalic acid Length: 190 µm, Width: 8 µm, 11 Stipes / 10 µmMicroscopy, photomicrograph, Microfoto
	tabellaria flocculosa creek near Obersteinbach (F), Alsace April 2004	Microscopy, photomicrograph, Microfoto
	Trinacria ventricosa Desbarrancado Peru	Microscopy, photomicrograph, Microfoto