Microworld

world of amoeboid organisms

Menu

Genus Comandonia Perin & Pussard, 1979

Diagnosis: Irregularly shaped cell, usually around 40 µm in length, with a narrow anterior hyaline margin. Frequently with a few, fine, short subpseudopodia (echinopodia) arising from the margin giving the cell a spine-like appearance. Posterior often with adhesive uroidal filaments. Cytoplasm with numerous contractile vacuoles and a spherical nucleus. No centriole-like bodies at the ultrastructural level. Cysts usually irregularly polyhedral with a thick inner wall and very thin outer layer. Only genus in the family to have cysts with pores closed by operculum.
Monospecific.

Type species: Comandonia operculata Perin & Pussard, 1979

Ecology: Freshwater

Recent posts

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 »

Difflugia biwae

D. biwae, after Yang and Shen, 2005 Difflugia biwae Kawamura, 1918 Diagnosis: Shell in lateral view fusiform in outline with a straight neck, a conspicuous

Read More »