Genus Mastigamoeba Frenzel, 1892
Diagnosis: Amoeboid with several pseudopodia; single cilium directed forward, with vibrating beat; single kinetosome with cone of microtubules extending to nucleus; uninucleate, but some species multinucleate; large nucleoli persist through division with intranuclear spindle; stages without cilium occur; cysts; occurring in micro-aerophilic to anaerobic habitats rich in dissolved nutrients.
Euglypha bryophila, after Brown, 1911 (L), from Ecuador (R) Euglypha bryophila Brown, 1911 Diagnosis: (Original description) The test is very regular in form and subject
(A) A Scenedesmus cell (arrow) is engulfed by a trophozoite. (B) Several Scenedesmus cells adhere to the surface of a plasmodium that has numerous vacuoles
Actinosphaeridium spec. Diagnosis: Cell surrounded by a membranous shell, with an outer mucous layer. Filopodia with granules, sometimes branching. Cell stalked. Ecology: I found this
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
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
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