The PEDIGREE of
Subsection Thoracotremata

 "Child(ren)":       Superfamily Ocypodoidea   ;   Cryptochiridae (coral gall crabs)   ;   Pinnotheridae (pea crabs)   ;   Grapsoidea (marsh crabs : Chinese mitten crab : terrestrial crabs : etc. :: 7 families)   ;   17 families (4 superfamilies :: 1147 living species) altogether
________________________________________________________________________________________________________ 
/-- Subgrade of Protostomia   +====> [ 76]
/   / or: Clade Nephrozoa
/-- Superphylum Ecdysozoa (Arthropods, Roundworms, etc.)
/-- Supraphylum Panarthropoda
/-- Phylum Arthropoda
/-- Subphylum Tetraconata
/-- Infraphylum Crustacea (Crustaceans)
/-- Superclass Multicrustacea (Most crustaceans)
/-- Class Malacostraca (Lobsters, Crabs, Shrimp, etc.)
/-- Subclass Eumalacostraca
/-- Superorder Eucarida
/-- Order Decapoda (Prawns & Shrimp & kin)
/-- Suborder Pleocyemata (Shrimp, Crayfish, Lobster)
/-- Clade Meiura
/-- Infraorder Brachyura (true crabs)
/-- Section Eubrachyura
/  
- Subsection Thoracotremata
 

 
  ``2-Great Grandchild:''       Genus Uca (Fiddler crab)
 

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