Tiny Organisms in Aquatic Habitats

Colorless Flagellates –
Amoebozoa (Part), Cryptista (Part), Discoba (Part), Alveolates (Part), Stramenopiles (Part)

Observations on Phacus longicauda

Position in the EOL taxonomic tree. Please click on the tree view below to access EOL (Encyclopedia of Life).

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

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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.

Previous slide
Next slide

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.

Phacus longicauda

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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