Colored Flagellates –
Archaeplastida (Part), Cryptista (Part), Discoba (Part), SAR-Stramenopiles (Part), SAR-Alveolates (Part)
Observations on Phacus longicauda
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Phacus longicauda (Ehrenberg) Dujardin 1841
Most likely ID: n.a.
Basionym: Euglena longicauda Ehrenberg 1830
Add’l Synonyms: Phacus pleuronectes var. insectus Koczwara 1915
Phacus longicauda var. major Svirenko 1915
Phacus longicauda var. insectus Koczwara 1915
Phacus longicauda subsp. insectus (Koczwara) Pochmann 1942
Phacus longicauda subsp. madagassicus Pochmann 1942
Phacus longicauda subsp. major (Svirenko) Pochmann 1942
Phacus longicauda var. madagassicus (Pochmann) Huber-Pestalozzi 1955
Phacus longicauda f. insectus Huber-Pestalozzi 1955
Sampling date 06/2022. Scale bars indicate 25 µm.
Two image couples, without and with marking arrows each.
First couple: | Top view: Red eye spot, paramylon body (arrow), contractile vacuole, fragmented during inflation (arrowhead), disc-shaped chloroplast (double headed arrow). |
Second couple: | Optical cross-section: Red eye spot, paramylon body (arrow), contractile vacuole, fragmented during inflation (arrowhead), nucleus (double arrowhead), disc-shaped chloroplast (double headed arrow). |
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: Pond in the forest of Altenholz-Stift (Schleswig-Holstein, Germany)
Latitude: 54.384913 Longitude: 10.125691
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Sampling date 06/2022. Scale bars indicate 25 µm.
Two image couples, without and with marking arrows each.
First couple: | Fully inflated contractile vacuole: Optical section showing red eye spot, paramylon body (arrow), contractile vacuole (arrowhead), disc-shaped chloroplast (arrow with double head). |
Second couple: | Top view: Red eye spot, big paramylon body (arrow), small donut shaped paramylon body (arrowhead), disc-shaped chloroplast (double headed arrow). |
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: Pond in the forest of Altenholz-Stift (Schleswig-Holstein, Germany)
Latitude: 54.384913 Longitude: 10.125691
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 05/2019. Scale bar indicates 50 µm.
Place name: Creek in Oder valley 100 km north east of Berlin (Germany)
Latitude: 53.135032 Longitude: 14.348738
Microscope Zeiss Universal, camera Olympus OM-D M5 MKII.
© 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.
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