The PEDIGREE of
Anabaena azollae

     SYMBIOTIC partner of Azolla, fixing nitrogen for it

 "Child(ren)":       Section Azolla
 poss. "Partner(s)":       Genus Azolla (Mosquitoferns)
________________________________________________________________________________________________________ 
/-- Earth of Nectarian Era (Hadean Eon)   +====> [ 35]
/-- 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)
/   / (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)
/   / OR: Subkingdom Terrabacteria (Terra-Hydro Model)   +====> [ 45]
/-- Phylum Cyanobacteria  (3000 M BC)
/-- Class Cyanophyceae
/-- Order Nostocales
/   / or: Order Hormogonales
/-- Family Nostocaceae
/-- Genus Anabaena (Nitrogen-fixing plankton)
/  
- Anabaena azollae
 

 
  ``Grandchild:''       Azolla cristata
 

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