Pseudothecamoeba - Microworld

Pseudothecamoeba vesiculata, monopodial locomotion, 250 µm.

Genus Pseudothecamoeba Page, 1976

Diagnosis: amoeba a much flattened cylinder, monopodial or branching, usually with an anterior hyaline cap; length-breadth ratio often 4 or more; surface folds and wrinkles often present; uninucleate, with granular nucleus in known species; surface coat of discrete filaments radiating outward from plasma membrane; no crystals.

Type species: Pseudothecamoeba proteoides (Page, 1976)

Pseudothecamoeba vesiculata, floating form.

Ferry Siemensma
Created March 10, 2019
Last updated March 25, 2019

Sphenoderia compressa

March 26, 2020

Sphenoderia compressa, after Badewitz, 2002 Sphenoderia compressa Badewitz, 2002 Diagnosis: Test ovoid, oval in cross section, hyaline, covered with relatively small, oval, rather irregularly arranged

Tracheleuglypha elongata

March 26, 2020

T. elongata, A-C after Thomas and Gauthier-Lièvre, 1959; D after Van Oye, 1959 Tracheleuglypha elongata Van Oye, 1959 Diagnosis: Test similar to T. dentata, but

Tracheleuglypha acolla

March 25, 2020

T. acolla, after Bonnet and Thomas, 1960 Tracheleuglypha acolla Bonnet and Thomas, 1955 Diagnosis: Test ovoid, non compressed, round in cross-section, with large oval overlapping

Cyclopyxis kahli oblonga

February 23, 2020

C. kahli f. oblonga , after Tarnogradskii, 1959 Cyclopyxis kahli f. oblonga (Tarnogradskii, 1959) Centropyxis kahli f. oblonga Tarnogradskii, 1959 Diagnosis: Test with all the

Cyclopyxis leclercqi

February 23, 2020

Cyclopyxis leclercqi – from Beyens and Chardez, 1986 Cyclopyxis leclercqi Beyens and Chardez, 1986 Diagnosis: Shell circular in apertural view, dorso-ventrally compressed with a swollen

Haplomyxa saranae

January 30, 2020

Haplomyxa saranae Dellinger, 2014 Diagnosis: cell body from small rounded (0.1 mm) to large elongated shape (up to 3.5 x 0.3 mm), usually flat but

Microworld

world of amoeboid organisms

Recent posts