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

Haplomyxa spec.

Main cell body Haplomyxa spec. Description: The cell had a cylindrical flattened body from which numerous granuloreticulopodia emerged. The common shape was more or less

Read More »

Valkanovia delicatula

V. delicatula, after Valkanov, 1962 Genus Valkanovia  Tappan, 1966 Diagnosis: Shell ovoid, oblate, elliptical in cross-section, composed of elongated elliptical hyaline scales arranged in a

Read More »

Gocevia pontica

Gocevia pontica, after Valkanov, 1934 Gocevia pontica Valkanov, 1934 Diagnosis: Clearly addressed bipolarity. Body covered by a weakly flexible tectum covered with foreign bodies. The

Read More »

Nabranella

N. brevis, after Snegovaya and Alekperov, 2009 Genus Nabranella Snegovaya and Alekperov, 2009 Diagnosis: Shell oval or spherical shape without neck. Apical top flat and

Read More »

Armipyxis

Genus Armipyxis Dekhtiar, 2009 Genus Armipyxis was created by Dekhtiar (2009) to accommodate all species with internal struts. However, C. aculeata may also have struts, although

Read More »

Netzelia pseudolimnetica

N. pseudolimnetica, after Penard, 1902 Netzelia pseudolimnetica Ogden and Meisterfeld, 1989 Synonym Difflugia limnetica (Levander, 1900) Penard, 1902. D. limnetica – Pejler, 1962, Oikos, 12,

Read More »

Cylindrifflugia hiraethogii

C. hiraethogii, after Ogden. 1983 Cylindrifflugia hiraethogii (Ogden, 1983) González-Miguéns et al., 2022 Diagnosis: the shell is light yellow or transparent, thin pyriform with a distinct

Read More »

Cylindrifflugia bacillariarum

  C. bacillariarum, 103 – 114 µm – Fochteloërveen, Netherlands   Cylindrifflugia bacillariarum (Perty, 1849) n. comb. González-Miguéns et al., 2022 Diagnosis: shell transparent, colorless or

Read More »

Cylindrifflugia elegans

C. elegans, length 84-102 µm, Gaasterland Cylindrifflugia elegans (Penard, 1890) n. comb. González-Miguéns et al., 2022 Basionym: Difflugia elegans Penard, 1890 Diagnosis: shell outline rough, pyriform

Read More »

Cylindrifflugia lanceolata

C. lanceolata, shells 153-169 µm long, nuclei 23-26 µm (Naardermeer, Netherlands) Cylindrifflugia lanceolata (Penard, 1890) n. comb. González-Miguéns et al., 2022 Basionym: Difflugia lanceolata Penard,

Read More »