Tiny Organisms in Aquatic Habitats

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

Observations on Difflugia venusta

Difflugia venusta

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 Difflugiidae Wallich, 1864
●●●●●●● Genus Difflugia Leclerc, 1815

Difflugia venusta (Penard, 1902) Ogden, 1983

Most likely ID: n.a.

Basionym: Difflugia pyriformis var. venusta Penard, 1902

Add’l Synonyms: n.a.

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

Three images.

First and second:Synoptic representation of the test (shell).
Third:Synopsis of apertural (right) and abapertural views and shows the circular aperture (pseudostom) and the elliptical cross-section of the test´s bulb. A defecation vacuole is visible in the aperture center.

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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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