The PEDIGREE of
Infraphylum Tetrapoda

     aka Superclass Tetrapoda

 "Child(ren)":       Class Amphibia   ;   Clade Reptiliomorpha
________________________________________________________________________________________________________ 
/-- Superbranch Eumetazoa   +====> [ 60]
/-- Superphylum Planulozoa
/-- Clade of Bilateria and Placozoa
/   | (skip this generation?)
/-- Branch Bilateria
/-- Infrakingdom (Grade) of Coelomates
/   | or: prob. Clade Nephrozoa
/-- Superphylum Deuterostomia (Chordates, Echinoderms, & kin)
/-- Phylum Chordata  (540 M BC - ?)
/-- Clade Craniata
/-- Subphylum Vertebrata  (510 M BC - ?)
/-- Infraphylum Gnathostomata (Jawed Vertebrates)
/-- Microphylum Teleostomi (Bony fishes & Spiny sharks)
/-- Superclass Osteichthyes (Bony fishes)
/-- Class Sarcopterygii (Lobe-finned Fishes)
/-- Clade of Rhipidistia
/-- Subclass Tetrapodamorpha
/  
- Infraphylum Tetrapoda
 

 
  ``3-Great Grandchildren:''       Order Anura (Frogs & Toads)   ;   Order Testudines (Turtles)   ;   Subclass Diapsida   ;   Suborder Cynodontia
 
  ``7-Great Grandchildren:''       Subfamily Raninae   ;   Hypoorder Toxicofera   ;   Suborder Scleroglossa   ;   Order Crocodilia   ;   Clade Dinosauria   ;   Subclass Theriiformes (Therial Mammals)
 

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