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

Observations on Cyphoderia ampulla (*)

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Cyphoderia ampulla (Ehrenberg, 1840) Leidy, 1879

Most likely ID: Ichthyosquama loricaria Soler-Zamora et al., 2023 (*)

Synonyms for Ichtyosquama: n.a.

Remark: In the paper mentioned below, Soler-Zamora et al. used molecular biology to investigate the problem of ‘shadow species’ in the collective species Cyphoderia ampulla sensu lato and established the new genus Ichthyosquama. The specimen shown here under the name Cyphoderia ampulla (still common in 2024) is most likely a member of the genus Ichthyosquama: I. loricaria.

Soler-Zamora, C., Useros, F., González-Miguéns, R., Gómez-Rodríguez, P., & Lara, E. (2023). The problem of ‘shadow species’ as illustrated with the taxonomic hotchpotch Cyphoderia ampulla (Rhizaria: Cyphoderiidae). Zoological Journal of the Linnean Society, 199(2), 477-492.
https://doi.org/10.1093/zoolinnean/zlad040

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

Three images.

First:	Synoptic representation of the test (shell).
Second and third:	Optical cross-section through the ampulla. The specimen has produced numerous silicious scales for the next generation.

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

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 Cyphoderia ampulla (*)

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