The PEDIGREE of
Branch Bilateria

 
     (older schemes placed Pseudocoelomata (Rotifera etc.) as a separate clade under Bilateria; some phyla may clade together as Acoelomata Grade; Orthonectida & Rhombozoa are called Mesozoa collectively, and with Placozoa, called Agnotozoa, but these clades are probably not monophyletic; in fact Rhombozoa may clade with Nematoda)
 "Child(ren)":       Infrakingdom (Grade) of Coelomates   ;   Rhombozoa (dicyemid (lozenge animal) : 75 species)   ;   Orthonectida (20 species)   ;   Acoelomorpha   ;   prob. Clade Nephrozoa   ;  poss.   Subgrade of Protostomia
 poss. "Partner(s)":       Infrakingdom (Grade) of Coelomates
___________________________________________________________________________________________________ 
/-- Glycobacteria   +====> [ 43]
/-- Eurybacteria
/-- Phylum Actinobacteria
/-- Class Actinobacteridae
/-- (NN), a thermophilic Bacterium
/-- (NN), a Nucleated Cell
| \ /-- Superdomain of Neomura   +====> [ 49]
/  \-- (NN), a Cell Nucleus
/-- Domain of Eukaryotes  (2100 M BC)
| \  /-- Gracilicutes   +====> [ 44]
| | /-- Phylum Proteobacteria
/  \-- Pre-Mitochondrion Bacteria
/-- Superempire Unikonta
/-- Empire of Opisthokonts (Fungi & Animals)
/-- Superkingdom Holozoa
/-- Kingdom of Animals
/-- Subkingdom of Metazoa (Multicellular Animals)
/-- Superbranch Eumetazoa
/-- Superphylum Planulozoa
/  
- Branch Bilateria
 

 
  (poss.) ``Grandchildren:''       Phylum Chordata   ;   Clade Ambulacraria   ;   Superphylum Lophotrochozoa   ;   Superphylum Ecdysozoa   ;   Superphylum Platyzoa   ;   Supraphylum Trochozoa   ;   Supraphylum Lophophorata   ;   Supraphylum Panarthropoda
 

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