Testacean | Mollusks, Shells, Gastropods | Britannica Testacean, any member of the protozoan order Arcellinida (formerly Testacida) of the class Rhizopodea Testaceans are usually encased in one-chambered tests, or shells, and usually found in fresh water, although sometimes they occur in salt water and in mossy soil
Testacea - Wikipedia Look up testacea in Wiktionary, the free dictionary a former order of rhizopods, which consisted of testate amoeboid organisms [1] a former group of shelled molluscs and other invertebrates, created by Linnaeus and roughly corresponding to the colloquial term seashell (see Vermes) a species group of Drosophila in the Drosophila subgenus [2]
Testacean - definition of testacean by The Free Dictionary Any of various amoeboid protozoans having a hard external covering, found in soil and freshwater habitats [From New Latin Testācea, former order name, from Latin, neuter pl of testāceus, covered with a shell, from testa, shell ] American Heritage® Dictionary of the English Language, Fifth Edition
What does testacean mean? - Definitions. net A testacean is a small aquatic crustacean, typically a mollusk, that has a shell or exoskeleton This term can refer to various species within the phylum Arthropoda and Mollusca