The PEDIGREE of
Subphylum Arachnomorpha

 "Child(ren)":       Infraphylum Chelicerata (Arachnids & Horseshoe Crabs)   ;   Trilobites (extinct)   ;   etc.
________________________________________________________________________________________________________ 
/-- Domain of Eukaryotes   +====> [ 54]
/-- Superempire Unikonta
/-- Empire of Opisthokonts (Fungi & Animals)
/-- Superkingdom Holozoa
/-- Kingdom of 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)
/   | (skip this generation?)
/-- Subgrade of Protostomia
/   | or: Clade Nephrozoa
/-- Superphylum Ecdysozoa (Arthropods, Roundworms, etc.)
/-- Supraphylum Panarthropoda
/-- Phylum Arthropoda
/  
- Subphylum Arachnomorpha
 

 
  ``2-Great Grandchildren:''       Suborder Opisthothelae   ;   Order Scorpiones (True Scorpions)   ;   Superorder Acariformes (Mites)   ;   Clade of Parasitiformes & Opilioacariformes   ;   Suborder Eurypterina
 

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FabPed Genealogy Vers. 83   ©   Jamie, 1997-2017