The PEDIGREE of
Subphylum Eleutherozoa

     (Echinoidea & Holothuroidea clade together as Echinozoa)

 "Child(ren)":       Superclass Asterozoa   ;   Class Echinoidea (sea urchins : sand dollars)   ;   Class Holothuroidea (sea cucumbers)   ;   Class Ophiuroidea (brittle stars : basket stars)
________________________________________________________________________________________________________ 
/-- Domain of Eukaryotes   +====> [ 55]
/-- Superempire Unikonta
/   / OR: Kingdom Opisthokonta   +====> [ 56]
/-- Empire of Opisthokonts (Fungi & Animals)
/   / OR: Opisthokonts [Cavalier-Smith model]   +====> [ 67]
/-- 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)
/-- Clade Ambulacraria
/-- Clade Coelomopora
/-- Phylum Echinodermata
/  
- Subphylum Eleutherozoa
 

 
  ``4-Great Grandchild:''       Ochre Sea Star
 

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FabPed Genealogy Vers. 102   ©   Jamie, 1997-2022