portrait of test

الوصف:

Test of the difflugiid amoeba, Lesquereusia epistomium (Penard, 1902).The test is composed of curved siliceous rods with occaisional interspersed quartz particles embedded in an organic matrix (sulfomucin complexed with proteins).The body of the test is more spherical and the neck more elongate than in the similar species L. spiralis.Collected from a freshwater pond near Boise, Idaho.Brightfield.