Rotalidia comprises a class of Foraminifera where Foraminifera is regarded as a phylum, (Kingdom Protista or Rhizaria, not Chromista) that unites Foraminifera that have tests composed of secreted lamellar calcium carbonate, optically radial or granular calcite, or aragonite; separating them from those with porcelaneous, agglutinated, or microgranular, tests, or tests composed of organic compounds. Seven orders are included, the:
Rotalidia comprises a class of Foraminifera where Foraminifera is regarded as a phylum, (Kingdom Protista or Rhizaria, not Chromista) that unites Foraminifera that have tests composed of secreted lamellar calcium carbonate, optically radial or granular calcite, or aragonite; separating them from those with porcelaneous, agglutinated, or microgranular, tests, or tests composed of organic compounds. Seven orders are included, the:
Rotaliida Delage & Hérouard, 1896
