world of amoeboid organisms

Menu

Genus Echinamoeba Page, 1975

Diagnosis: Locomotive cell small, around 12 µm, usually triangular, fan-shaped, or elongate. With a few short spiny pseudopodia (echinopodia up to 1.5 µm long) extending from the hyaline region. Single nucleus. Cysts smooth and spherical. Thin cyst wall with a narrow space between the outer and inner layers, although one species has cysts without layers.
Type species: Echinamoeba exudans (Page, 1967)

Ecology: Two species described from leaf litter.

Recent posts

Quadrulella scutellata

Quadrulella scutellata, after Wailes, 1912 Quadrulella scutellata  Wailes, 1912 Diagnosis: Test moderately large, hyaline, pyriform, compressed; composed of small siliceous, rectangular plates arranged in irregular

Read More »

Mrabella plicata

M. plicata, after Hoogenraad and De Groot, 1940 Mrabella plicata (Hoogenraad and De Groot, 1940) Diagnosis: Test made of small square plates, between which some

Read More »

Quadrulella alata

Q. alata, after Gauthier-Lièvre, 1957 Quadrulella alata  Gauthier-Lièvre, 1957 Diagnosis: In frontal view, the test is lageniform, with a broadly rounded fundus (subcircular or ovoid)

Read More »

Quadrulella acuminata

Quadrulella acuminata, after Van Oye, 1958 Quadrulella acuminata  Van Oye, 1958 Diagnosis: Test rather pyriform with a stretched base with converging sides, very slightly concave

Read More »