world of amoeboid organisms

Menu
Apodera vas – Photo: Leonardo D. Fernández (University of Concepción, Chile)

Apodera vas (Certes, 1889) Loeblich & Tappan, 1961

Diagnosis: Shell sub-spherical or ellipsoidal, compressed, constriction between body and swollen neck which tapers from its junction with the body towards the aperture, neck. Aperture oval slightly arched. Test composed of collected or predated euglyphid idiosomes.

Dimensions: Certes (1889) 150-170 µm; Wailes (1913) 130-155 µm; Jung (1942) 108-163 µm; Hoogenraad and De Groot (1955) 117-173 µm; Zapata and Rudolph (1986) 80-90 µm; Smith and Wilkinson (2007) 90-210 µm; Zapata and Fernández (2008) 111-234 µm.

Ecology: Mosses, often Sphagnum. South America, Central America, Australia, New Zealand, Java, Mexico, Hawaii and Africa.

Remarks: Apodera vas is closely related to Padaungiella lageniformis.

References:
Zapata, J. and Fernández L., 2008. Morphology and Morphometry of Apodera vas (Certes, 1889) (Protozoa: Testacea) from Two Peatlands in Southern Chile. Acta Protozool. 47:389-395

Kosakyan, A., Gomaa, F., Lara, E. and Lahr, D.J.G., 2016. Current and future perspectives on the systematics, taxonomy and nomenclature of testate amoebae – European Journal of Protistology, 2016.

A. vas – in a slide from A.A. de Groot, Tierra del Fuego (private collection of Ferry Siemensma)
Recent posts

Sphenoderia compressa

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

Read More »

Tracheleuglypha elongata

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

Read More »

Tracheleuglypha acolla

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

Read More »

Cyclopyxis kahli oblonga

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

Read More »

Cyclopyxis leclercqi

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

Read More »

Haplomyxa saranae

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

Read More »