The PEDIGREE of
Phylum Euryarchaeota

 
     aka Kingdom Euryarchaeota; (recent evidence shows Euryarchaeota to be polyphyletic, with Thermococci and some other classes in a separate phylum)

 "Child(ren)":       Class Methanobacteria   ;   Class Methanopyri   ;   Class Halobacteria   ;   Methanomicrobia (clades with Halobacteria)   ;   Archaeoglobi (3 genera :: sulfate-reducing : iron-reducing : benzoate-reducing)   ;   Methanococci   ;   Thermococci   ;   Thermoplasmata
________________________________________________________________________________________________________ 
/-- Sol, a Population I star   +====> [ 29]
/-- Condensing solar system
/-- Earth before collision
/-- Earth Collides with Theia
/  \-- Pre-collision Theia   +====> [ 31]
/-- Earth of Cryptic Era (Hadean Eon)
/-- Earth of Basin Groups Era (Hadean Eon)
/-- Earth of Nectarian Era (Hadean Eon)
/-- Earth of Lower Imbrian Era (Hadean Eon)
/-- Earth of Eoarchean Era (Archean Eon)
/-- Non-reproducing Precursor Organism
/-- Earliest life (Based on Peptide Nucleic Acid)
| or: polyamide nucleic acid
| or: glycol nucleic acid or: threose nucleic acid
/  \-- Montmorillonite-based Vesicles
/-- Earlier life (Based on RNA)  (3850+ M BC)
/-- Earlier Life (Based on RNA and Protein)  (3800+ M BC)
/-- Last Universal Ancestor of Present Life
| OR: Last Universal Common Ancestor (LUCA)   +====> [ 9]
/-- Alkaline hydrothermal vents
/  \-- Tiny cavities in iron sulphide rocks
/-- Domain of Archaeota
/   | OR: prob. not (NN), a peculiar Symbiote   +====> [ 51]
- Phylum Euryarchaeota
 


  ``2-Great Grandchildren:''       Genus Methanobrevibacter (human gut archaeon)   ;   Genus Methanopyrus (thermophilic methanogen)   ;   Genus Halobacterium
 
  ``3-Great Grandchildren:''       Methanopyrus kandleri   ;   Halobacterium salinarum
 

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