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

Observations on Longinebela penardiana

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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 Longinebela Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara 2016

Longinebela penardiana (Deflandre, 1936) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara 2016

Most likely ID: n.a.

Basionym: Nebela penardiana Deflandre, 1936

Add’l Synonyms: n.a.

Sampling date 06/2023. Scale bars indicate 50 µm.

Two images. Synopsis of shell structure: Xenosesomes connected by organic cement. The xenosomes shown are mainly derived from consumed euglyphids.

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 Lauchseemoor, Fieberbrunn (Tyrol, Austria)
Latitude: 47.46954439 Longitude: 12.53826499

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

Scale bars indicate 50 µm (1–4), 10 µm (6).

Six images.

First:	Synoptic representation of the test (shell).
Second to forth:	Optical cross sections through the cell showing the cytoplasm. It’s not filling the shell completely but is attached to its inner surface by cytoplasmic strands called epipodia.
Fifth:	The large nucleus, which is circular in cross section, is situated in the fundus (posteriorly). It contains many nucleoli, which are also sphaerical.
Sixth:	Zoom on the cell nucleus. Arrows point to the double-layered nuclear membrane.

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 Lauchseemoor, Fieberbrunn (Tyrol, Austria)
Latitude: 47.46954439 Longitude: 12.53826499

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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Observations on Longinebela penardiana

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