world of amoeboid organisms

Menu

Panacanthocystida Shishkin et Zlatogursky, 2018

Diagnosis: Centrohelids usually covered with siliceous scales or with organic spicules: scale-bearing species with both inner plate-scales and outer spine-scales of other morphology or only plate-scales with a hollow inrolled margin; outer scales may be of different types based on archetype of plate-scale morphology or radially symmetrical, present in one of two forms: funnel-shaped, or needle-like with a radially symmetrical base.

Acanthocystida
Panacanthocystids usually covered with siliceous scales or with organic spicules: scale-bearing species with both plate and spine scales or only plate scales with a hollow inrolled margin; outer scales radially symmetrical, present in one of two forms: funnel-shaped, or needle-like with a radially symmetrical base.

Marophryina
Panacanthocystids typically lacking silica scales but covered with numerous thin, pointed organic spicules tapering towards acute apices.

        • Marophryidae

Chalarothoracina
Panacanthocystids usually covered with siliceous scales or with organic spicules: scale-bearing species with both plate- and spine-scales or only plate-scales with a hollow inrolled margin; outer scales radially symmetrical, present in one of two forms: funnel-shaped, or needle-like with a radially symmetrical base.

        • Raphidocystidae
        • Acanthocystidae

Chthonida

Panacanthocystids typically covered with two types of siliceous scales: scales of inner layer are flattened, simple in structure, usually ornamented with axial rib, outer scales may be of different types but more similar to plate-scales than to spine-scales.

Yogsothothina
Diagnosis as for Chthonida above.

        • Yogsothothidae
Recent posts

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 »

Haplomyxa spec.

Main cell body Haplomyxa spec. Description: The cell has a central body from which numerous granuloreticulopodia emerge. The cell body can be small or large,

Read More »

Haplomyxa spec.

Haplomyxa spec. These video’s show an undescribed Haplomyxa species which was collected from a mesotrophic freshwater pond in the Netherlands, January 2020, and kept in Petri

Read More »

Chlamydophrys-schaudinn

Fritz Schaudinn (1871 – 1906) was a German zoologist. He was the co-discoverer of the causative agent of syphilis and did research on amoebas, particularly

Read More »

Alabasta longicollis

Alabasta longicollis, after Penard, 1890 Alabasta longicollis  (Penard, 1890) Diagnosis: Test pyriform, very elongated (3 times as long as wide), transparent, very little compressed, embedded

Read More »

Alabasta kivuense

Alabasta kivuense, after Gauthier-Lièvre and Thomas, 1961 Alabasta kivuense  Gauthier-Lièvre and Thomas, 1961 Diagnosis: In frontal view, the test is finger-shaped with subparallel sides, the

Read More »