Chromista

obsolete eukaryotic supergroup of algae Chromista (Chromista) is one of the major kingdoms of life, encompassing a vast diversity of organisms. It contains 9 phylums with 1,981 known species. Key phylum groups include Bigyra, Cercozoa, Ciliophora, Cryptophyta, Foraminifera, and Haptophyta. Among its members, 8 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable).