Table 162

Classification of Organisms in Six Kingdoms

Kingdom Archaea

Phylum Archaebacteria (methane, salt, and sulfolobus bacteria)

Kingdom Bacteria Phylum Eubacteria

Class Eubacteriae (unpigmented, purple, and green sulfur bacteria) Class Cyanobacteriae (cyanobacteria) Class Chloroxybacteriae (chloroxybacteria)

Kingdom Protista

Phylum Chlorophyta (green algae)

Phylum Chromophyta (yellow-green, golden-brown, and brown algae)

Phylum Rhodophyta (red algae)

Phylum Euglenophyta (euglenoids)

Phylum Dinophyta (dinoflagellates)

Phylum Cryptophyta (cryptomonads)

Phylum Prymnesiophyta (haptophytes)

Phylum Charophyta (stoneworts)

Phylum Myxomycota (plasmodial slime molds)

Phylum Dictyosteliomycota (cellular slime molds)

Phylum Oomycota (water molds)

[Phylum Protozoa—protozoans]

[Phylum Porifera—sponges]

Kingdom Fungi

Phylum Chytridiomycota (chytrids) Phylum Zygomycota (coenocytic fungi) Phylum Ascomycota (sac fungi)

[Lichens] Phylum Basidiomycota (club fungi) Phylum Deuteromycota (imperfect fungi)

Kingdom Plantae

Phylum Hepaticophyta (liverworts) Phylum Anthocerotophyta (hornworts) Phylum Bryophyta (mosses) Phylum Psilotophyta (whisk ferns) Phylum Lycophyta (club mosses) Phylum Equisetophyta (horsetails) Phylum Polypodiophyta (ferns) Phylum Pinophyta (conifers) Phylum Ginkgophyta (Ginkgo) Phylum Cycadophyta (cycads) Phylum Gnetophyta (Gnetum, Ephedra, Welwitschia) Phylum Magnoliophyta (flowering plants) Class Magnoliopsida (dicots) Class Liliopsida (monocots) Kingdom Animalia (multicellular animals)

s a flowering plants gnetophytes conifers cycads Ginkgo ferns horsetails club mosses psilotophytes 4

red algae red algae

Phylum Rhodophyta Red Algae Cells

Figure 16.4 Hypothetical derivations and relationships among kingdoms and the major groups of organisms.

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