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world of amoeboid organisms

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Order THAUMATOMONADIDA Shirkina, 1987

Heterotrophic, cells usually gliding that may swim also; body flattened and with two heterodynamic cilia inserting subapically and/or ventrally; some unikont; with extrusomes; filopodia produced subapically or from ventral groove; cysts; multinucleate and multiciliate stages known.

SEM image of a thaumatomonad – courtesy of © eye of science (www.eyeofscience.com)
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Euglyphidion

Euglyphidion enigmaticum – after Bonnet, 1960 Genus Euglyphidion Bonnet, 196 Diagnosis: Shell hyaline, ovoid, pseudostome circular or slightly elliptical. Shell loosely covered with two types of

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Leptomyxa spec.

Leptomyxa sp., slowly retracting in response to the light of the microscope Leptomyxa sp. Diagnose: This is a very large amoeba which I found in

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Zivkovicia spec.

Zivkovicia spec., 200 µm long; the right image is viewed through the aperture Zivkovicia spec.  Diagnosis: Shell pyriform, circular in oral view, with a clear

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Pontigulasia pentangulostoma

P. pentangulostoma, after Quin et al., 2008 Pontigulasia pentangulostoma Quin, Y., Xei, S., Gu, Y. and Zhou, X., 2008 Diagnosis: Shell is brown, laterally uncompressed,

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Flabellula citata

Flabellula citata, from Dykova et al., 2008 Flabellula citata Schaeffer, 1926 Diagnosis: Length in locomotion 15-75 µm; width 25-55 µm. Shape very variable, from a

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Puytoracia bonnetti

Puytoracia bergeri, from Nicholls, 2006 Puytoracia bergeri   Nicholls, 2006 Diagnosis: Shell an oblong flattened cylinder, with rounded anterior and posterior ends. An invaginated pseudostome

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