Thalassiosirales

Skeletonema spec. Scale bar indicates 50 µm. Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). Sampling date 10/2018. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Standard with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051 Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm. Probe aus dem Hiddenseer Bodden. Datum der Aufsammlung: 10/2018. Mikrotechnik: Zeiss Standard, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Stephanodiscus spec. Valvar view showing chitinous spines. Image courtesy Winfried Hölz, Hausen (Germany).Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Ponds near Hausen (Hessisch Lichtenau , Germany) Latitude: 51.21453 Longitude: 9.868894 Valvarsichtansicht mit Darstellung der chitinösen Schwebefortsätze. Multiebenen-Abbildung, gestapelt mit ConbineZ. Bild aufgenommen von Winfried Hölz, Hausen. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Skeletonema costatum The ultrathin floating processes made of chitin are clearly visible. Scale bar indicates 10 µm. The specimen was gathered in the Kieler Förde (Baltic Sea). Sampling date 1/2022. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioplan with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Baltic Sea, Kieler Förde, Kiel Fjord (Germany) Latitude: 54.3894126 Longitude: 10.1749055 Die ultradünnen Schwebefortsätze aus Chitin sind deutlich erkennbar. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 10 µm. Probe aus der Kieler Förde. Datum der Aufsammlung: 1/2022. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Skeletonema costatum Scale bar indicates 25 µm. The specimen was gathered in the Kieler Förde (Baltic Sea). Sampling date 1/2022. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioplan with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Baltic Sea, Kieler Förde, Kiel Fjord (Germany) Latitude: 54.3894126 Longitude: 10.1749055 Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus der Kieler Förde. Datum der Aufsammlung: 1/2022. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Skeletonema costatum Scale bar indicates 10 µm. The specimen was gathered in the Kieler Förde (Baltic Sea). Sampling date 1/2022. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioplan with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Baltic Sea, Kieler Förde, Kiel Fjord (Germany) Latitude: 54.3894126 Longitude: 10.1749055 Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 10 µm. Probe aus der Kieler Förde. Datum der Aufsammlung: 1/2022. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Skeletonema costatum Scale bar indicates 10 µm. The specimen was gathered in the Kieler Förde (Baltic Sea). Sampling date 1/2022. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioplan with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Baltic Sea, Kieler Förde, Kiel Fjord (Germany) Latitude: 54.3894126 Longitude: 10.1749055 Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 10 µm. Probe aus der Kieler Förde. Datum der Aufsammlung: 1/2022. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Skeletonema costatum The ultrathin floating processes made of chitin are clearly visible. Scale bar indicates 10 µm. The specimen was gathered in the Kieler Förde (Baltic Sea). Sampling date 1/2022. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioplan with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Baltic Sea, Kieler Förde, Kiel Fjord (Germany) Latitude: 54.3894126 Longitude: 10.1749055 Die ultradünnen Schwebefortsätze aus Chitin sind deutlich erkennbar. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 10 µm. Probe aus der Kieler Förde. Datum der Aufsammlung: 1/2022. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Skeletonema costatum Scale bar indicates 25 µm. The specimen was gathered in the Kieler Förde (Baltic Sea). Sampling date 1/2022. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioplan with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Baltic Sea, Kieler Förde, Kiel Fjord (Germany) Latitude: 54.3894126 Longitude: 10.1749055 Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus der Kieler Förde. Datum der Aufsammlung: 1/2022. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Cyclostephanos novae-zeelandiae This image from a tiny centric diatom was built up using 24 DIC high resolution frames with manual stacking technique. The scale bar indicates 10 µm. Collected from bottom sediments of Lake McGregor, Southern Alps, New Zealand. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Lake McGregor, Southern Alps of New Zealand Latitude: -43.93820336 Longitude: 170.47502518 Der Messbalken markiert eine Länge von 10 µm. Sedimentprobe aus dem Lake McGregor, Southern Alps, Neuseeland. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Thalassiosira punctigera The oblique view exhibits short silicous spines, the so called occluded processes. Some chitinous spines protruding from the fultoportulae (also called strutted processes) along the dotted valve margin are also visible. Scale bar indicates 50 µm. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North Sea around Heligoland Latitude: 54.186311 Longitude: 7.895034 Die schräge Sicht auf die Frusteln zeigt kurze Silikatfortsätze, die sogenannten occluded processes. Eine Reihe Schwebefortsätze aus Chitin, die aus den Fultoportulae (kleine Silikatröhren, auch strutted processes genannt) entlang der punktierten Kante der Frustel entspringen, sind sichtbar. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm. Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Thalassiosira punctigera The oblique view exhibits short silicous spines, the so called occluded processes. On the lower left, lower right and central above chitinous spines are visible. Scale bar indicates 50 µm. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North Sea around Heligoland Latitude: 54.186311 Longitude: 7.895034 Die schräge Sicht auf die Frusteln zeigt kurze Silikatfortsätze, die sogenannten occluded processes. Unten links, unten rechts und oberhalb der Mitte sieht man einzelne Schwebefortsätze aus Chitin. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm. Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Thalassiosira punctigera Some specimen of this centric diatom carried naviculoid ones on the valve(s). Scale bar indicates 25 µm. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North Sea around Heligoland Latitude: 54.186311 Longitude: 7.895034 Einige Exemplare dieser Diatomeenart in der Probe trugen Navicula-ähnliche Diatomeen auf den Schalen. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Thalassiosira punctigera The image shows numerous chitinous spines which minimize their sedimentation speed. Scale bar indicates 25 µm. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North Sea around Heligoland Latitude: 54.186311 Longitude: 7.895034 Darstellung der feinen Schwebefortsätze aus Chitin. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Thalassiosira punctigera The oblique view exhibits short silicous spines, the so called occluded processes. On the lower left near the scale bar a chitinous spine is visible. Scale bar indicates 25 µm. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North Sea around Heligoland Latitude: 54.186311 Longitude: 7.895034 Die schräge Sicht auf die Frusteln zeigt kurze Silikatfortsätze, die sogenannten occluded processes. Unten links nahe beim Maßbalken sieht man einen Schwebefortsatz aus Chitin. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Thalassiosira punctigera Some specimen of this centric diatom carried naviculoid ones on the valve(s). Scale bar indicates 25 µm. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North Sea around Heligoland Latitude: 54.186311 Longitude: 7.895034 Einige Exemplare dieser Diatomeenart in der Probe trugen Navicula-ähnliche Diatomeen auf den Schalen. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Thalassiosira punctigera Silicious processes (the labiate and the occluded ones) are visible. Scale bar indicates 25 µm. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North Sea around Heligoland Latitude: 54.186311 Longitude: 7.895034 Silikatfortsätze der Typen labiate und occluded sind sichtbar. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Pantocsekiella kuetzingiana The thin, barely visible floating extensions are made of chitin. Scale bar indicates 50 µm. The specimen was gathered in the wetlands of national park Unteres Odertal (100 km north east of Berlin). The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Creek in Oder valley 100 km north east of Berlin (Germany) Latitude: 53.135032 Longitude: 14.348738 Die dünnen, kaum erkennbaren Schwebefortsätze sind aus Chitin. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm. Probe aus dem Bodensee in der Nähe von Bodman. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Pantocsekiella kuetzingiana Close-up. The specimen was gathered in the wetlands of national park Unteres Odertal (100 km north east of Berlin). The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Creek in Oder valley 100 km north east of Berlin (Germany) Latitude: 53.135032 Longitude: 14.348738 Ausschnitt. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm. Die Probe wurde in den Feuchtgebieten des Nationalpark Unteres Odertal (100 km nordöstlich von Berlin) gesammelt. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Cyclotella spec. Frustules mounted on a lorica from ciliate Codonella crater gathered in the lake Schierensee near Kiel, Germany5/2004). Use of SEM equipment courtesy of Lab Dr. Karl-Heinz Schäffner, Solingen, Germany.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Lake Schierensee near Kiel (Schleswig-Holstein, Germany) Latitude: 54.26256721 Longitude: 9.98369694 Kieselalgenschalen in einer Lorica des Ciliaten Codonella crater ; Probe aus dem Schierensee bei Kiel. Datum der Aufsammlung: 5/2004. Aufgenommen mithilfe eines Rasterelektronenmikroskops im Labor Dr. Schäffner, Solingen. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Cyclotella spec. Frustules mounted on a lorica from ciliate Codonella crater gathered in the lake Schierensee near Kiel, Germany5/2004). Use of SEM equipment courtesy of Lab Dr. Karl-Heinz Schäffner, Solingen, Germany.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Lake Schierensee near Kiel (Schleswig-Holstein, Germany) Latitude: 54.26256721 Longitude: 9.98369694 Kieselalgenschalen in einer Lorica des Ciliaten Codonella crater ; Probe aus dem Schierensee bei Kiel. Datum der Aufsammlung: 5/2004. Aufgenommen mithilfe eines Rasterelektronenmikroskops im Labor Dr. Schäffner, Solingen. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Cyclotella spec. The thin, barely visible floating extensions are made of chitin. Furthermore, filamentous bacteria colonies are attached. Scale bar indicates 50 µm. Sample from the Lake Constance (vicinity of Bodman). The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Lake Constance vicinity of Bodman (Germany) Latitude: 47.796494 Longitude: 9.047656 Die dünnen, kaum erkennbaren Schwebefortsätze sind aus Chitin. Des weiteren sitzen fadenförmige Bakterienkolonien auf. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm. Probe aus dem Bodensee in der Nähe von Bodman. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Cyclotella spec. Frustules mounted on a lorica from ciliate Codonella crater gathered in the lake Schierensee near Kiel, Germany5/2004). Use of SEM equipment courtesy of Lab Dr. Karl-Heinz Schäffner, Solingen, Germany.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Lake Schierensee near Kiel (Schleswig-Holstein, Germany) Latitude: 54.26256721 Longitude: 9.98369694 Kieselalgenschalen in einer Lorica des Ciliaten Codonella crater ; Probe aus dem Schierensee bei Kiel. Datum der Aufsammlung: 5/2004. Aufgenommen mithilfe eines Rasterelektronenmikroskops im Labor Dr. Schäffner, Solingen. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Cyclotella spec. Frustules mounted on a lorica from ciliate Codonella crater gathered in the lake Schierensee near Kiel, Germany5/2004). Use of SEM equipment courtesy of Lab Dr. Karl-Heinz Schäffner, Solingen, Germany.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Lake Schierensee near Kiel (Schleswig-Holstein, Germany) Latitude: 54.26256721 Longitude: 9.98369694 Kieselalgenschalen in einer Lorica des Ciliaten Codonella crater ; Probe aus dem Schierensee bei Kiel. Datum der Aufsammlung: 5/2004. Aufgenommen mithilfe eines Rasterelektronenmikroskops im Labor Dr. Schäffner, Solingen. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.

Cyclotella spec. Optical tranversal section, showing the nucleus. The thin, barely visible floating extensions are made of chitin. Furthermore, filamentous bacteria colonies are attached. Scale bar indicates 50 µm. Sample from the Lake Constance (vicinity of Bodman). The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Lake Constance vicinity of Bodman (Germany) Latitude: 47.796494 Longitude: 9.047656 Optischer Querschnitt mit Darstellung des Zellkerns. Die dünnen, kaum erkennbaren Schwebefortsätze sind aus Chitin. Des weiteren sitzen fadenförmige Bakterienkolonien auf. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm. Probe aus dem Bodensee in der Nähe von Bodman. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.