world of amoeboid organisms

Menu
Alabasta militaris
SEM image of A. militaris – courtesy of © eye of science (www.eyeofscience.com)

Genus Alabasta Duckert, Blandenier, Kosakyan and Singer, 2018

Diagnosis: The test rigid, colourless or yellowish, elongated in broad view with a maximal width at about the two thirds from the aperture and the sides then tapering towards the aperture. Test proteinaceous often with incorporated silica scales taken from euglyphid preys. The pseudostome strongly convex with a flare (fan shaped) in broad view and a deep notch in profile. Lateral pores usually present at about one third of the distance from the pseudostome to the fundus.

Type species: Alabasta militaris (Penard 1890) Duckert, Blandenier, Kosakyan and Singer, 2018

Included taxa:
A. militaris (Penard, 1890)
A. kivuense (Gauthier-Lièvre and Thomas, 1961)
A. longicollis (Penard, 1890)

1
Smaller species < 100 μm, test narrow piriform in broad view
A. longicollis
1′
Larger species: L = 120 – 140 μm, test elongated piriform in broad view, with an elongated neck
2

 

2
Wider species in broad view (L/B = 1.8 – 2), pseudostome wide (15 – 22 μm)
A. militaris
2’
Slender species, often laterally curved, in broad view (L/B = 2.4 – 2.7) pseudostome narrow (12 – 16 μm)
A. kivuense
Alabasta militaris
A. militaris
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 »