1 Phylum Euryarchaeota: This is the most studied division of archaea, and mostly includes methanogens and halophiles. 2  Phylum Crenarchaeota: It includes thermophiles, hyperthermophiles and thermoacidophiles. 3  These archebacteria are mostly found in the marine environment.nder the kingdom Archaea, archebacteria are classified into the following phyla: Methanogens harvest energy by converting H2 and CO2 into methane gas. They are found in the intestinal tracts of humans and some animals such as cows, and in marshes.
-oses. Suffix meaning a process, condition, or state, usually abnormal or diseased; production or increase, physiologic or pathologic; an invasion or infestation; in the latter sense, it is similar to and often interchangeable with Greek-iasis, as seen in trichinosis, trichiniasis. [G.].
-osis. suffix forming nouns. 1. indicating a process or state: metamorphosis. 2. (Pathology) indicating a diseased condition Compare-iasis: tuberculosis. 3. indicating the formation or development of something: fibrosis.[from Greek, suffix used to form nouns from verbs with infinitives in-oein or-oun ].osis. 1. A suffix that means: 2. Diseased condition, as in tuberculosis. 3. Condition or process, as in osmosis.