Testate Amoebae –
Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)

Observations on Trinema enchelys

Protisten / Protisten.de – created by Wolfgang Bettighofer / Testata Amoeboid Organisms / Rhizaria / Cercozoa / Imbricatea / Silicofilosea / Euglyphida / Euglyphidae / Trinema enchelys

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

Trinema enchelys (Ehrenberg, 1838) Leidy, 1878

Most likely ID: n.a.

Basionym: Difflugia enchelys Ehrenberg, 1838

Add’l Synonyms: Trinema acinus Dujardin, 1841
                   Arcella enchelys Ehrenberg, 1844
                   Euglypha pleurostoma Carter, 1857
                   Euglypha enchelys Wallich, 1864
                   Trinema (Difflugia) encheli Crevier, 1870

Sampling date 06/2025. Scale bar indicates 10 µm.

Four images, three of them in a slide changer. Detailed representation of the toothed siliceous scales around the pseudostome.

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: Wetland Paradieswiese near Kitzbühel (Tyrol, Austria)
Latitude: 47.47375067 Longitude: 12.37624884 Elevation: 777 m

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII.

Sampling date 06/2023. Scale bar indicates 10 µm.

Place name: Wetland Paradieswiese near Kitzbühel (Tyrol, Austria)
Latitude: 47.47375067 Longitude: 12.37624884 Elevation: 777 m

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII.

Sampling date 06/2025. Scale bars indicate 20 µm.

Two images. Complete tests.

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: Wetland Paradieswiese near Kitzbühel (Tyrol, Austria)
Latitude: 47.47375067 Longitude: 12.37624884 Elevation: 777 m

Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl

Sampling date 06/2025. Scale bars indicate 20 µm.

Six images. Scale details.

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: Wetland Paradieswiese near Kitzbühel (Tyrol, Austria)
Latitude: 47.47375067 Longitude: 12.37624884 Elevation: 777 m

Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl

Sampling date 06/2025. Scale bars indicate 20 µm (1), 2 µm (2).

Two images.

First:	Cell in ventral view lying behind/under a Centropyxis spec.
Second:	Pseudostome in detail.

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: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m

Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl

Sampling date 07/2018. Scale bars indicate 10 µm.

Two images.

First:	Synoptic representation of the test (shell). Cell in ventral view.
Second:	Optical cross-section showing food vacuoles and the large nucleus in the fundus (posteriorly) with one nucleolus at position one o’clock.

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: Lake Fuhlensee near Schilksee (Kiel, Germany)
Latitude: 54.43136338 Longitude: 10.16243935 Elevation: -2 m

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 09/2018. Scale bars indicate 10 µm.

Two images.

First:	Synoptic representation of the test (shell). Cell in dorsal (top) view. DOF image.
Second:	Ventral view with aperture.

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: Bog Kaltenhof near Kiel (Schleswig-Holstein, Germany)
Latitude: 54.42102744 Longitude: 10.07686615 Elevation: 23 m

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII.

Sampling date 04/2021. Scale bars indicate 25 µm.

Four images.

First:	Synoptic representation of the test (shell). Cell in ventral view.
Second to fourth:	Optical cross-sections, the last one shows the large nucleus with one nucleolus at position four o’clock.

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 near Großostheim (Germany)
Latitude: 49.88482168 Longitude: 9.09980822 Elevation: 187 m

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII.

Sampling date 04/2021. Scale bars indicate 25 µm.

Three images.

First:	Synoptic representation of the test (shell). Cell in lateral view showing one pseudopodium.
Second and third:	Optical cross-sections, the last one shows the large nucleus with one nucleolus at position nine o’clock.

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 near Großostheim (Germany)
Latitude: 49.88482168 Longitude: 9.09980822 Elevation: 187 m

Microscope Zeiss Axioplan, 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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Observations on Trinema enchelys

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