The PEDIGREE of
Phylum Chaetognatha (Arrow worms)

 "Child(ren)":       Class Archisagittoidea   ;   Class Sagittoidea   ;   about 100 extant species altogether
________________________________________________________________________________________________________ 
/-- (NN), a very special Archaeote   +====> [ 45]
/-- pre-Eukaryote
/  \-- Pre-Mitochondrion Bacterium   +====> [ 51]
/-- proto-Eukaryote
/  \-- (NN), a thermophilic Bacterium   +====> [ 49]
/-- The First Eukaryote
/ OR: First Eukaryote [Lopez-Garcia - Moreira M.   +====> [ 51]
/  \-- (NN), a (thermophilic?) Bacterium   +====> [ 47]
/-- Domain of Eukaryotes  (2100 M BC)
/-- Superempire Unikonta
/   / OR: Kingdom Opisthokonta (Seven-Kingdom Model)   +====> [ 56]
/-- Empire of Opisthokonts (Fungi & Animals)
/   / OR: Opisthokonts (Animals) [Cavalier-Smith model]   +====> [ 67]
/-- Superkingdom Holozoa
/-- Kingdom of Apoikozoa (Animals)  (950 M BC)
/-- 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)
/  
- Phylum Chaetognatha (Arrow worms)
 

[ Start ]
FabPed Genealogy Vers. 102   ©   Jamie, 1997-2022