Pedigree: Phylum Arthropoda

The PEDIGREE of

Phylum Arthropoda

(Segmented bodies and jointed limbs, with Chitin exoskeleton); (clading of the arthropods is controversial; some place myriapods with Arachnomorpha to form Myriochelata (Paradoxopoda) clade; some place myriapods with Tetraconata to form Mandibulata clade; etc.)

"Child(ren)": Subphylum Myriapoda (Millipedes & Centipedes) ; Subphylum Arachnomorpha ; Subphylum Tetraconata ; Camptophyllia (extinct) ; Marrellomorpha (extinct) ; Trilobitomorpha/Trilobita (extinct) ; 1200000 extant species altogether

______	______	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____	_____
														/	-- The First Eukaryote +		====> [ 54]
														/		/ OR: First Eukaryote [Lopez-Garcia - Morei. +	====> [ 51]
													/	-- Domain of Eukaryotes
												/	-- 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)
			/		/ (skip this generation?)
		/	-- Subgrade of Protostomia
		/		/ or: Clade Nephrozoa
	/	-- Superphylum Ecdysozoa (Arthropods, Roundworms, etc.)
/	-- Supraphylum Panarthropoda
/
- Phylum Arthropoda

(poss.) ``Grandchildren:'' Class Chilopoda (Centipedes) ; Class Diplopoda (Millipedes) ; Infraphylum Chelicerata (Arachnids & Horseshoe Crabs) ; Infraphylum Crustacea (Crustaceans) ; Epiclass Hexapoda