Cocconeidales

Cocconeis placentula var. euglypta Sexual reproduction of diatoms generating auxospores. Tomographical cross-sections through an auxospore from top to bottom. Chl = chloroplast, N = nucleus, UV = upper valve, LV = lower valve. Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Auxosporenbildung, sexuelle Vermehrungsweise von Diatomeen. Schnittbilder durch die Auxospore von oben nach unten. Chl = Chloroplast, N = Kern, UV = obere Halbschale, LV = untere Halbschale. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Sexual reproduction of diatoms generating auxospores. Developing state. Tomographical cross-sections. UV = upper valve, LV = lower valve.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Frühes Stadium der Auxosporenbildung, der sexuellen Vermehrungsweise von Diatomeen. Zwei Schnittbilder. UV = obere Halbschale, LV = untere Halbschale. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Upper valve without raphe.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Die obere Halbschale ist raphenlos. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Sexual reproduction of diatoms generating auxospores. Tomographical cross-sections through an auxospore from top to bottom. Chl = chloroplast, N = nucleus, UV = upper valve, LV = lower valve. Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Auxosporenbildung, sexuelle Vermehrungsweise von Diatomeen. Schnittbilder durch die Auxospore von oben nach unten. Chl = Chloroplast, N = Kern, UV = obere Halbschale, LV = untere Halbschale. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Lower valve with raphe which enables slow movement.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Die untere Halbschale mit Raphe ermöglicht langesame Fortbewegung. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Sexual reproduction of diatoms generating auxospores. Developing state. Tomographical cross-sections. UV = upper valve, LV = lower valve.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Frühes Stadium der Auxosporenbildung, der sexuellen Vermehrungsweise von Diatomeen. Zwei Schnittbilder. UV = obere Halbschale, LV = untere Halbschale. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Sexual reproduction of diatoms generating auxospores. Tomographical cross-sections through an auxospore from top to bottom. Chl = chloroplast, N = nucleus, UV = upper valve, LV = lower valve. Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Auxosporenbildung, sexuelle Vermehrungsweise von Diatomeen. Schnittbilder durch die Auxospore von oben nach unten. Chl = Chloroplast, N = Kern, UV = obere Halbschale, LV = untere Halbschale. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Lower valve with raphe which enables slow movement.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Die untere Halbschale mit Raphe ermöglicht langesame Fortbewegung. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Sexual reproduction of diatoms generating auxospores, first phase (arrow). UV = upper valve, LV = lower valve.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Erste Phase der Auxosporenbildung, der sexuellen Vermehrungsweise von Diatomeen (siehe Pfeil). UV = obere Halbschale, LV = untere Halbschale. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Upper valve without raphe.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Die obere Halbschale ist raphenlos. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis placentula var. euglypta Sexual reproduction of diatoms generating auxospores, first phase (arrow). UV = upper valve, LV = lower valve.Scale bar indicates 25 µm. Sample from a tropical freshwater aquarium. Sampling date 3/2021. 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: Tropical freshwater aquarium Latitude: 54.3018013 Longitude: 10.07120132 Erste Phase der Auxosporenbildung, der sexuellen Vermehrungsweise von Diatomeen (siehe Pfeil). UV = obere Halbschale, LV = untere Halbschale. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm. Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 3/2021. 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.

Cocconeis pediculus Scale bar indicates 10 µm. Sample from a pond called Fuhlensee in Schilksee (Kiel, Germany). Sampling date 7/2018. 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: Lake Fuhlensee near Schilksee (Kiel, Germany) Latitude: 54.43136338 Longitude: 10.16243935 Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 10 µm. Probe aus dem Feuchtbiotop Fuhlensee bei Schilksee/Kiel. Datum der Aufsammlung: 7/2018. 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.

Cocconeis pediculus Cocconeis pediculus living on the green alga Oedogonium.There is also a filamentous coloniy of cyanobacteria Homeothrix spec. Scale bar indicates 25 µm. Sample from Lake Constance near Bodman. 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 Cocconeis pediculus auf der Grünalge Oedogonium spec. Des Weiteren sind fädige Kolonien der Blaualge Homeothrix spec. zu sehen. Der Messbalken markiert eine Länge von 25 µm. Probe aus dem Bodensee bei 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.

Cocconeis pediculus Scale bar indicates 10 µm. Sample from a pond called Fuhlensee in Schilksee (Kiel, Germany). Sampling date 7/2018. 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: Lake Fuhlensee near Schilksee (Kiel, Germany) Latitude: 54.43136338 Longitude: 10.16243935 Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 10 µm. Probe aus dem Feuchtbiotop Fuhlensee bei Schilksee/Kiel. Datum der Aufsammlung: 7/2018. 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.

Cocconeis scutellum A habitat of Cocconeis scutellum on the red alga Polysiphonia. On the upper right there are two filamentous colonies of cyanobacteria Pseudanabaena spec. Scale bar indicates 10 µm. Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051 Cocconeis scutellum auf der Rotalge Polysiphonia fibrillosa. Oben rechts sieht man fädige Kolonien der Blaualge Pseudanabaena spec. Der Messbalken markiert eine Länge von 10 µm. Probe aus dem Hiddenseer Bodden. 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.

Cocconeis scutellum Cocconeis scutellum looking like footprints of the first man on the moon. This delicate Aufwuchs was grown on a microscope slide which was placed in a special slide holder hanging in the Bodden waters. Scale bar indicates 25 µm. Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051 Das Aussehen der Cocconeis scutellum erinnert etwas an die Fußstapfen des ersten Astronauten auf dem Mond. Die Zellen waren auf einem Objektträger aufgewachsen, der mehrere Tage mittels Halter im Boddenwasser eingehängt worden war. Der Messbalken markiert eine Länge von 25 µm. Probe aus dem Hiddenseer Bodden. 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.

Cocconeis scutellum A habitat of Cocconeis scutellum on the red alga Polysiphonia. Scale bar indicates 10 µm. Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051 Cocconeis scutellum, aufgewachsen auf einer großen, durchscheinenden axialen Zelle der Rotalge Ceramium diaphanum. Der Messbalken markiert eine Länge von 10 µm. Probe aus dem Hiddenseer Bodden. 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.

Cocconeis scutellum Scale bar indicates 50 µm. Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051 Der Messbalken markiert eine Länge von 50 µm. Probe aus dem Hiddenseer Bodden. 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.

Cocconeis scutellum Cocconeis scutellum on a thallus segment of the red alga Ceramium. The two cell types of the thallus are shown: one huge light axial cell with tubular rhodoplasts with the two terminal cortex structures built up by numerous little reddish rotund cells with their lenticular rhodoplasts. Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051 Cocconeis scutellum, aufgewachsen auf der Rotalge Ceramium diaphanum. Auf dem Rotalgenthallus erkennt man Zellen zweier Typen: eine große, durchscheinende axiale Zelle mit schlangenförmigen Rhodoplasten und kleine rundliche Zellen in den zwei sogenannten Cortex-Strukturen an den Enden der axialen Zelle. Die Cortexstrukturen werden aus eine Reihe runder Zellen mit linsenförmigen Chloroplasten gebildet. Probe aus dem Hiddenseer Bodden. 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.

Cocconeis spec. Cocconeis spec. living on the green alga Cladophora. Sample from the North see near isle of Nordstrand. Images were taken using Zeiss Universal with Canon EOS 600D.Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: North see near isle of Nordstrand (Schleswig-Holstein, Germany) Latitude: 54.49594138 Longitude: 8.80856752 Cocconeis auf der Grünalge Cladophora. Probe aus der Nordsee bei Nordstrand. Mikrotechnik: Zeiss Universal, Kamera: Canon EOS 600D.Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.