Arcella is a genus of testate amoebae and one of the largest and most common testacean genera. Over 50 species, subspecies and varieties have been described, but many descriptions are not adequate or based on artificial criteria. Therefore it is not always easy to identify species.

Media in category "Arcella catinus" The following 25 files are in this category, out of 25 total.

Arcella is a genus of testate amoebae in the order Arcellinida, usually found in freshwaters and mosses, and rarely in soils. A key characteristic of Arcella is the circular test with a hole on its center from where finger-like pseudopods emerge. It is one of the largest testacean genera.

A quick guide to arcella. Key: Shell color transparent or yellowish 2. Shell circular or disk-shaped 3. Shell diameter 80-100 µm, slightly flattened Arcella vulgaris 3. Shell diameter 30-50 µm, more...more ↓

Arcella With possibilities : This is a redirect from a title that potentially could be expanded into a new article or other type of associated page such as a new template. The topic described by this title may be more detailed than is currently provided on the …

Aperture invaginated, circular or elliptical, with a small lip and surrounded by many large and small pores. Dimensions: Literature: Shell diameter 73—140 µm; Heigth about 45 µm; 15—18 …

Arcella is a genus of Amoebozoa from the Protista Kingdom, made up of eukaryotic unicellular organisms that have a characteristic and distinctive element, a kind of cover or shell that covers the entire cell and provides protection.

An amoeboid protist with a chitinous ornamental test (hard shell) and central aperture. Supplier: CHASE GREENHOUSES, INC.

May 16, 2022 · Arcella es un género de Amoebozoa del reino Protista, conformado por organismos unicelulares eucariotas que presentan un elemento característico y distintivo, una especie de cubierta o concha que recubre a toda la célula y le brinda protección.

Arcella is a genus of amoeboids with a rigid, chitinous test found in brackish to fresh water (Loeblich & Tappan 1964).