Observations on Porosira glacialis
Position in the EOL taxonomic tree. Please click on the tree view below to access EOL (Encyclopedia of Life).
Porosira glacialis (Grunow) Jørgensen 1905
Most likely ID: n.a.
Basionym: Podosira hormoides var. glacialis Grunow 1884
Add’l Synonyms: Podosira glacialis (Grunow) Cleve 1896
Lauderia glacialis (Grunow) Gran 1900
Melosira glacialis (Grunow) A.Cleve 1951
Porosira antarctica O.G.Kozlova 1962
Sampling date 04/2011. Scale bars indicate 100 µm (1), 50 µm (2, 3).
Three images.
| First: | Long chain of Porosira glacialis. Note that the delicate spines of the Thalassiosirales are chitinous. |
| Second: | Close-up. Focus on frustule surface. |
| Third: | Focus on cell center showing cytoplasmic accumulation around the nucleus. |
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034
Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.
Scale bars indicate 50 µm.
Two images.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034
Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.
Scale bar indicates 50 µm.
Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034
Microscope Zeiss Universal, camera Olympus C7070WZ. DOF image.
© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.
New items
New items
cornuta
crenulata
ubiquetum
basiornatum
pinnatifida
elegantissimiforme
antilopaeum
laeve
caelatum
decedens