Testate amoebae (formerly thecamoebians, Testacea or Thecamoeba) are a polyphyletic group of unicellular amoeboid protists, which differ from naked amoebae...

Arcellinid testate amoebae or Arcellinida, Arcellacean or lobose testate amoebae are single-celled protists partially enclosed in a simple test (shell)...

referred to as "testate amoebae", grow a shell around the cell made from organic or inorganic material. Slime molds, which are amoebae capable of producing...

g. diatom frustules) and are thus commonly referred to as testate amoebae or shelled amoebae. Difflugia are particularly common in marshes and other freshwater...

notably sea urchins and microorganisms such as testate foraminiferans, radiolarians, and testate amoebae. The term is also applied to the covering of scale...

Centropyxis is a genus of lobose testate amoebae (Amoebozoa), including the species Centropyxis aculeata. WoRMS (2010). "Centropyxis Stein, 1857". World...

such as Jahn, who grouped all amoebae with granular pseudopodia together, but most split the lobose amoebae into testate Testacealobosia and naked Gymnamoebia...

Greek αλάβαστρος (alábastros) 'alabaster') is a genus of arcellinid testate amoebae belonging to the family Hyalospheniidae. It contains species with an...

are still not entirely clear. Foraminifera are closely related to testate amoebae. The most striking aspect of most foraminifera are their hard shells...

Free-living amoebae may be "testate" (enclosed within a hard shell), or "naked" (also known as gymnamoebae, lacking any hard covering). The shells of testate amoebae...

arcellinid testate amoebae and the sole family of the infraorder Hyalospheniformes. Commonly referred to as "hyalospheniids", these lobose amoebae are characterized...

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...

Certesella is a genus of testate amoebae belonging to the family Hyalospheniidae. It is characterized by a test that presents two symmetrical holes near...

Nebela is a diverse genus of testate amoebae of cosmopolitan distribution, belonging to the family Hyalospheniidae. They are "prey agglutinated" or "kleptosquamic"...

include: Tests or frustules (i.e. shells) of diatoms, Radiolaria, and testate amoebae. Silica phytoliths in the cells of many plants including Equisetaceae...

Pseudocucurbitella is a genus of freshwater testate amoebae of the order Arcellinida. Its shell is agglutinated, ovoid, with a round crossection and a...

Cryptodifflugia leachi is an aquatic species of testate amoebae discovered in 2006 in Canada, living in bottom sediment from wetlands at the base of the...

Thecofilosea is a class of unicellular testate amoebae belonging to the phylum Cercozoa. They are amoeboflagellates, organisms with flagella and pseudopodia...

(from Latin planus 'flat' and carina 'keel') is a genus of arcellinid testate amoebae belonging to the family Hyalospheniidae. It was created in 2016 to...

Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton shell gastropod...

foraminiferans, including xenophyophoreans and komokiaceans, Gromia, and testate amoebae. The pellets are ovoid (egg-shaped), brownish in color, and on average...

Meisterfeldia is a genus of arcellinid testate amoebae erected in 2016 that unites several new species as well as old species previously found in the...

Erugomicula is a genus of testate lobose amoebae found in the order Arcellinida. It was described in 2021 and tentatively placed in the family Hyalospheniidae...

Cryptodifflugiidae is a family of arcellinid testate amoebae. Members of this family are conopodous (with conical pseudopods) amoebae with the body in a clear, usually...

Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton shell gastropod...

green euglenids, various ciliates (such as the folliculinids, various testate amoebae and foraminifera. The surfaces of a variety of protozoa are covered...

Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton shell gastropod...

Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton shell gastropod...

Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton shell gastropod...

the land plants (embryophytes), with other silicifying groups (e.g., testate amoebae) having a minor role. Broadly, biomineralized structures evolve and...