The PEDIGREE of
Phylum Chordata (Vertebrates, tunicates, and lancelets)

     Born:  540 M BC


 "Child(ren)":       Clade Craniata   ;   Subphylum Tunicata (tunicates)   ;   Cephalochordata (aka Class Leptocardii :: lancelets : amphioxi)   ;   100000 species altogether
________________________________________________________________________________________________________ 
/-- pre-Eukaryote   +====> [ 51]
/-- proto-Eukaryote
/  \-- (NN), a thermophilic Bacterium   +====> [ 49]
/-- The First Eukaryote
/  \-- (NN), a (thermophilic?) Bacterium   +====> [ 47]
/-- Domain of Eukaryotes
/-- Superempire Unikonta
/   | OR: Kingdom Opisthokonta (Eight Kingdom Model)   +====> [ 55]
/-- Empire of Opisthokonts (Fungi & Animals)
/-- Superkingdom Holozoa
/-- Kingdom of Apoikozoa (Animals)  (950 M BC)
/-- Subkingdom of Metazoa (Multicellular Animals)
/-- Superbranch Eumetazoa
/-- Superphylum Planulozoa
/-- Clade of Bilateria and Placozoa
/   | (skip this generation?)
/-- Branch Bilateria
/-- Infrakingdom (Grade) of Coelomates  (570 M BC)
/   | or: prob. Clade Nephrozoa
/-- Superphylum Deuterostomia (Chordates, Echinoderms, & kin)
/  
- Phylum Chordata (Vertebrates, tunicates, and lancelets)
 


  ``Grandchild:''       Subphylum Vertebrata
 
  ``5-Great Grandchildren:''       Division Neoselachii   ;   Subclass Neopterygii   ;   Subclass Chondrostei (Sturgeons, Bichirs & kin)   ;   Clade of Rhipidistia
 

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