Tiny Organisms in Aquatic Habitats

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

Observations on Planocarina marginata

Planocarina marginata

Taxonomic tree according to Lahr et al., 2019 (https://doi.org/10.1016/j.cub.2019.01.078)
and González-Miguéns et al., 2022 (https://doi.org/10.1016/j.ympev.2022.107557)

Amorphea Adl et al., 2012
Amoebozoa Lühe, 1913, renewed definition Cavalier-Smith, 1998
● Tubulinea Smirnov et al., 2005
●● Elardia, Kang et al., 2017
●●● Order Arcellinida Kent, 1880
●●●● Suborder Glutinoconcha Lahr et al., 2019
●●●●● Infraorder Hyalospheniformes Lahr et al., 2019
●●●●●● Family Hyalospheniidae Schultze, 1877 emend. Kosakyan and Lara, 2012
●●●●●●● Genus Planocarina Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Planocarina marginata (Penard, 1902) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Most likely ID: n.a.

Basionym: Nebela marginata Penard, 1902

Add’l Synonyms: Pterygia marginata (Penard, 1902) Jung, nom. inval. 1942

Sampling date 06/2023. Scale bars indicate 50 µm (1, 3), 100 µm (5).

Five images.

First couple:Synoptic representation of the shell, followed by an enlarged detail (two arrows mark the eponymous flat zone at the shell edge).
Second couple:Middle plane of the shell with the flat zone, followed by an enlarged view (two arrows mark the flat zone).
Fifth:Three-dimensional depiction of the test using a dissecting microscope with a high-aperture objective (n. A. = 0.3).

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

Microscope Zeiss Axioplan and Olympus stereomicroscope  SZX16, camera Olympus OM-D M5 MKII. DOF images.

Scale bars indicate 50 µm (1, 2).

Species of the genus Planocarina usually incorporate test (shell) plates from consumed euglyphids.

First:Synoptic representation of the test (shell).
Second:Transversal layer of the test showing the flat zone typical for genus Planocarina.
Third:A zoom-in (two arrows mark the flat zone).

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

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

© 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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