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

Observations on Lesquereusia modesta

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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 Longithecina Lahr et al., 2019
●●●●●● Family Lesquereusiidae Jung, 1942
●●●●●●● Genus Lesquereusia Schlumberger, 1845

Lesquereusia modesta Rhumbler, 1895

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: n.a.

Sampling date 10/2008. Scale bars indicate 100 µm (1), 25 µm (2), 50 µm (3).

Three images.

First:	Lesquereusia modesta with details of the test and an overview (inset) depicting the shape with the unsymmetrical neck. The test is composed of a mixture of siliceous rods and plates and quartz grains. Scale bar belongs to the main object.
Second:	A closer look on the idiosomes (siliceous rods and plates) of the Lesquereusia modesta test. On the left there is a sieve-like region. This represents the proteinaceous matrix of the test, in which idiosomes an xenosomes (quartz grains) are embedded.
Third:	Apertural view on Lesquereusia modesta showing circular pseudostom (aperture) and a defecation vacuole which was offloaded a short time after taking images.

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 Suploch, Hiddensee (Germany)
Latitude: 54.538638 Longitude: 13.097802

Microscope Zeiss Universal, camera Olympus C7070WZ. 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 Lesquereusia modesta

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