COMPLETE LIST OF CLASSES AND ORDERS 64 



Class Subcl Order 



VERTEBRATA 



137 



AGNATHA "® (Monorhyncha, Monorhina) ord-rec 



Cephalaspidomorpha sil-rec 



Cyclostomata ^^^ (Marsipobranchii, Petromyzonoidea) rec 



Cephalaspida "° {Osteostraci, Aspidocephali, Osteo- sil-dev 



stracoidea, Cephalaspidiformes ) 

 Anaspida "^ (Anaspidoidea) sil-dev 



Pteraspidomorpha ^*^ (Pteraspides) ord-dev 



Pteraspida (Heterostraci, Pteraspidijormes ord-dev 



Coelolepida (Coelolepidoidea, Coelolepiformes) sil-dev 



PLACODERMI ^'^ (Aphetohyoidea) sil-per 



Acanthodii "* (Acanthoglossa, Acanthodioidea) sil-per 



Arthrodira ^^^ {Euarthrodira, Arthrodiroidea, Phyllo- sil-dev 



lepida, Ptyctodontida) 

 Macropetalichthyida "® (Anarthrodira) DEV 



Antiarchi ^^^ (Antiarchoidea, Pterichthyes, Pterichthy- dev 

 omorphd) 



^^^ Synonyms: Euchorda, Craniata. Superclass Gnathostomata (Amphirhyncha, 

 Amphirhina) = Placodermi + all "higher" vertebrates. Ichthyopterygii = placo- 



DERMI + ELASMOBRANCHII + HOLOCEPHALI + OSTEICHTHYES. PisceS (Ichthya, 



Eotetrapoda) = agnatha + placodermi + chondrichthyes + osteichthyes. 

 Haemacryma = pisces + amphibia + reptilia. Haematherma = ayes + mam- 

 malia. Anamnia (Ichthyopsida) = pisces + amphibia. Amniota = reptilia + 

 aves + MAMMALIA. Tetrapoda (Cheiropterygia) = amphibia + reptilia + ayes 

 + MAMMALIA. Sauropsida = reptilia + ayes. Includes: Protichthyes, Ichthyo- 

 dorulites. 



^^^ Ostracodermi (Ostracophori) = cephalaspida + anaspida + pteraspida + 

 Coelolepida. Includes: Euphaneroidea. 



^^^ Includes: Myxinoidea, Hyperotreti, Myxini, Myxiniformes, Petromyzontia, 

 Petromyzontiformes, Hyperoarti. 



"" Includes: Tremataspidiformes, Lasaniiformes, Oligocnemata, Endeiolepi- 

 formes. 



^" Includes: Birkeniiformes, Phlebolepiformes. 



^*^ Includes: Astraspiformes, Psammosieiformes, Cyathaspiformes, Amphiaspi- 

 formes, Thelodonti. 



"^ Coccostei (Coccosteomorphi) = euarthrodira + phyllolepida + mac- 

 ropetalichthyes. 



^^^ Includes: Climatiiformes, Mesacanthiformes, Ischnacanthiformes, Gyra- 

 canthiformes, Cheiracanthiformes, Acanthodiformes, Acanthoessi, Acanthoessi- 

 formes. Conodontophorida (Conodonta) may belong here (Ord-Tri). 



^^^ Includes: Acanthothoraci, Arctolepiformes, Acanthaspidomorphi, Acanth- 

 aspida, Coccosteiformes, Brachythoraci, Mylostomatiformes, Ptyctodontiformes, 

 Phyllolepiformes. 



"" Includes: Gemuendiniformes, Rhenanida, Petalichthyida. 



^^^ Includes: Remigolepiformes, Asterolepiformes. 



