Pedigree: Thioautotrophic Bacteria

The PEDIGREE of

Thioautotrophic Bacteria

(species seen only in SYMBIOSIS with Riftia, apparently re-evolving frequently as hydrothermal vents come and go)

Female.

Husband/Partner: Subfamily Vestimentifera (Tubeworms)
Child: Genus Riftia (Giant Tubeworm)

______	______	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____
														/	-- Earth of Eoarchean Era +	====> [ 37]
													/	-- Non-reproducing Precursor Organ.
												/	-- Earliest life
												\|	\	/ or: polyamide nucleic acid
												\|	\|	/ or: glycol nucleic acid or: threose ...
												/	\	-- Montmorillonite-based Vesicles
											/	-- Earlier life (Based on RNA)
											/		/ (skip this generation?)
										/	-- Earlier Life (Based on RNA and Protein)
									/	-- Last Universal Ancestor of Present Life
									\|	\	/ OR: Last Universal Common A. +					====> [ 9]
									\|	\|	/	-- Alkaline hydrothermal vents
									/	\	-- Tiny cavities in iron sulphide rocks
								/	-- Proto-Bacteria (3700 M BC)
							/	-- Glycobacteria (Traditional Model)
						/	-- Gracilicutes (Traditional Model)
						/		/ OR: Subkingdom Hydrobacteria +								====> [ 45]
					/	-- Clade of Proteobacteria & Planctobacteria
				/	-- Phylum Proteobacteria (purple bacteria & kin)
			/	-- Class Gammaproteobacteria
		/	-- Order Chromatiales (Purple sulfur bacteria)
	/	-- Family Chromatiaceae
/	-- Genus Allochromatium (Symbiotic Sulfur Bacteria)
/
- Thioautotrophic Bacteria
\
\	-- ?