Test either completely chitinoid or comprising mineral particles, diatom frustules, or recycled scales or plates (often from Euglyphida), or composed of siliceous, calcite, or chitinoid self-secreted plates held together by an organic cement; granular, digitate pseudopodia.
Including:
Centropyxis, Difflugia, Hyalosphenia, Lesquereusia, Nebela, Netzelia, Padaungiella, Quadrulella.
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