The PEDIGREE of
Order Clostridiales (incl. sulfate-reducing bacteria)

     aka Class Clostridia; (this order includes the 2nd largest group of sulfate-reducing organisms)
 "Child(ren)":       Family Clostridiaceae   ;   Heliobacteria   ;   12 other families
________________________________________________________________________________________________________ 
/-- Earth of Cryptic Era (Hadean Eon)   +====> [ 33]
/-- 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)
/   / (skip this generation?)
/-- Earlier Life (Based on RNA and Protein)
/-- Last Universal Ancestor of Present Life
| \ / OR: Last Universal Common Ancestor (LUCA)   +====> [ 9]
| | /-- Alkaline hydrothermal vents
/  \-- Tiny cavities in iron sulphide rocks
/-- Proto-Bacteria  (3700 M BC)
/-- Glycobacteria (Traditional Model)
/-- Eurybacteria (Traditional Model)
/-- Superphylum Endobacteria
/   / OR: Subkingdom Terrabacteria (Terra-Hydro Model)   +====> [ 45]
/-- Phylum Firmicutes
/  
- Order Clostridiales (incl. sulfate-reducing bacteria)
 
 
  (poss.) ``2-Great Grandchildren:''       Phylum Nanoarchaeota (ultra-small symbiotes)   ;   Phylum Euryarchaeota   ;   Kingdom Crenarchaeota   ;   an Archeaote   ;   another Archeaote
 

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FabPed Genealogy Vers. 102   ©   Jamie, 1997-2022