Microworld

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

Zivkovicia compressoidea

Z. compressoidea, a-b after Chardez, 1958; c after Jung, 1942 Zivkovicia compressoidea  (Jung, 1942) new.comb. Basionym: Pontigulasia compressoidea Jung, 1942 Diagnosis: Shell ovoid and compressed,

Read More »

Zivkovicia flexa

Z. flexa, from Cash and Hopkinson, 1909 Zivkovicia flexa  (Cash and Hopkinson, 1909) Ogden, 1983 Basionym: Pontigulasia compressa var. flexa  Cash and Hopkinson, 1909 Diagnosis:

Read More »

Lagenodifflugia epiouxi

L. epiouxi, after Chardez, 1984 3 Lagenodifflugia epiouxi (Chardez, 1983) new comb. Basionym: Pontigulasia epiouxi Chardez, 1983 Diagnosis: Shell elongate, circular in cross-section or very

Read More »

Centropyxis lapponica

Centropyxis lapponica, after Grospietsch, 1954 Centropyxis lapponica  Grospietsch, 1954 Diagnosis: Shell nearly circular in circumference, without spines. Aperture clear square with rounded corners. Shell viewed

Read More »

Chaos spec. 6

Chaos spec., Crailoo, 2021 Chaos spec. This specimen was found in a samples from Crailoo, Netherlands. It was remarkable because of the absence of crystals.

Read More »

Bullinularia maxima

Bullinularia maxima – from Bobrov and Mazei, 2020 Bullinularia maxima Bobrov et Mazei, 2020 Diagnosis: Shell brown, opaque, elliptical in ventral view; ventral surface is

Read More »

Bullinularia macroporum

Bullinularia macroporum – from Bobrov and Mazei, 2020 Bullinularia macroporum Bobrov et Mazei, 2020 Diagnosis: Shell yellow-brownish, transparent, circular in ventral view; ventral surface is

Read More »

Nebela golemanskyi

N. golemanskyi, after Todorov, 2010 Nebela golemanskyi Todorov, 2010 Diagnosis: Shell large, colourless and pyriform, with a distinct short neck about one fourth of the

Read More »

Nebela nebeloides

N. nebeloides, after Gauthier-Lièvre and Thomas, 1958 Nebela nebeloides (Gauthier-Lièvre and Thomas, 1958) Todorov et al., 2010 Basionym: Difflugia nebeloides Gauthier-Lièvre and Thomas, 1958 Diagnosis:

Read More »