The PEDIGREE of
Superclass Osteichthyes (Bony fishes)

 
     (contrary to Darwin's assumption, the ancestral form which developed into either lung or swim bladder probably started as lung, not swim bladder); aka Clade Euteleostomi

 "Child(ren)":       Class Actinopterygii (Ray-finned fishes)   ;   Class Sarcopterygii (Lobe-finned Fishes)
________________________________________________________________________________________________________ 
/-- Empire of Opisthokonts (Animals)   +====> [ 56]
/-- 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
/-- Subphylum Vertebrata  (510 M BC - ?)
/-- Infraphylum Gnathostomata (Jawed Vertebrates)
/-- Microphylum Teleostomi (Bony fishes & Spiny sharks)
/  
- Superclass Osteichthyes (Bony fishes)
 

 
  ``1-Great Grandchildren:''       Infraclass Teleostei   ;   Order Acipenseriformes (Sturgeons & Paddlefish)   ;   Subclass Tetrapodamorpha
 

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