The PEDIGREE of
Clade Craniata

     aka Skulled Chordates

 "Child(ren)":       Subphylum Vertebrata   ;   Hyperotreti (aka Class Myxini :: Hagfishes)
________________________________________________________________________________________________________ 
/-- proto-Eukaryote   +====> [ 52]
/-- The First Eukaryote
/  \-- (NN), a (thermophilic?) Bacterium   +====> [ 47]
/-- Domain of Eukaryotes
/-- Superempire Unikonta
/   | OR: Kingdom Opisthokonta   +====> [ 55]
/-- Empire of Opisthokonts (Fungi & Animals)
/-- Superkingdom Holozoa
/-- Kingdom of Apoikozoa (Animals)
/-- 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)
/  
- Clade Craniata
 

 
  ``2-Great Grandchildren:''       Subclass Elasmobranchii (Sharks and Rays)   ;   Superclass Osteichthyes (Bony fishes)
 
  ``5-Great Grandchildren:''       Subdivision Selachii (Modern Sharks)   ;   Superorder Batoidea (Rays and Skates)   ;   Infraclass Teleostei   ;   Order Acipenseriformes (Sturgeons & Paddlefish)   ;   Subclass Tetrapodamorpha
 

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