testacid

testacid (not comparable)

1. (biology) Belonging to the protozoan order Arcellinida (formerly Testacida).
   • 1965, The American Midland Naturalist - Volume 73, page 294:

     This class include foraminiferans, radiolarians, acantharians, heliozoans and helioflage!- lates, most of the so-called proteomyxans, and the filose testacid amebas.

   • 1979, The University of Kansas Science Bulletin:

     Chardez (1957, 1960, 1965, 1967, and other papers) and with Krizelj (1970) has extensively catalogued the protozoan fauna (especially testacid amebas) of forest soils and of mosses (from sphagnum bogs, of forest floors, rocks and tree trunks).

   • 1991, Animal Resources of India: Protozoa to Mammalia : State of the Art:

     Subsequently, Wallich (1864) recorded 4 species of testacid rhizopods from Gangetic Sundarbans of Lower Bengal.

   • 2005, Richard B. Hoover, Roland Paepe, Perspectives in Astrobiology - Volume 366, →ISBN, page 49:

     Silicates and silica biopolymers are found in algae, e.g.: diatoms, chrysophytes, chrysomonads, and xanthophytes; sponge spicules; protozoans, e.g.: radiolarians, silicoflagellates, zoomastigophora, testacid sarcodina, siliceous foraminifera, and Rhizopod amebael and in nanoplankton like loricate choanoflagellates.

• acid test, dictates