ACKNOWLEDGMENTS.

INTRODUCTION.

PHYLUM CHORDATA.

Subphylum Craniata.

Superclass Myxinomorphi to Osteostracomorphi.

Superclass Gnathostomata.

†Class Placodermi.

Class Chondrichthyes.

Subclass Holocephali.

Order Chimaeriformes.

Subclass Elasmobranchii.

Order Heterodontiformes.

Order Orectolobiformes.

Order Lamniformes.

Order Carcharhiniformes.

Order Hexanchiformes.

Order Echinorhiniformes.

Order Squaliformes.

Order Squatiniformes.

Order Pristiophoriformes.

Order Torpediniformes.

Order Pristiformes.

Order Rajiformes.

Order Myliobatiformes.

†Class Acanthodii.

Class Actinopterygii.

Subclass Cladistia.

Order Polypteriformes.

Subclass Chrondrostei.

Order Acipenseriformes.

Subclass Neopterygii.

Order Lepisosteiformes.

Order Amiiformes.

Division Teleostei.

Subdivision Osteoglossomorpha.

Order Hiodontiformes.

Order Osteoglossiformes.

Subdivision Elopomorpha.

Order Elopiformes.

Order Albuliformes.

Order Anguilliformes.

Order Saccopharyngiformes.

Subdivision Ostarioclupeomorpha (= Otocephala).

Superorder Clupeomorpha.

Order Clupeiformes.

Superorder Ostariophysi.

Order Gonorynchiformes.

Order Cypriniformes.

Order Characiformes.

Order Siluriformes.

Order Gymnotiformes.

Subdivision Euteleostei.

Superorder Protacanthopterygii.

Order Argentiniformes.

Order Osmeriformes.

Order Salmoniformes.

Order Esociformes.

Superorder Stenopterygii.

Order Stomiiformes.

Superorder Ateleopodomorpha.

Order Ateleopodiformes.

Superorder Cyclosquamata.

Order Aulopiformes.

Superorder Scopelomorpha.

Order Myctophiformes.

Superorder Lampriomorpha.

Order Lampriformes.

Superorder Polymixiomorpha.

Order Polymixiiformes.

Superorder Paracanthopterygii.

Order Percopsiformes.

Order Gadiformes.

Order Ophidiiformes.

Order Batrachoidiformes.

Order Lophiiformes.

Superorder Acanthopterygii.

Series Mugilomorpha.

Order Mugiliformes.

Series Atherinomorpha.

Order Atheriniformes.

Order Beloniformes.

Order Cyprinodontiformes.

Series Percomorpha.

Order Stephanoberyciformes.

Order Beryciformes.

Order Zeiformes.

Order Gasterosteiformes.

Order Synbranchiformes.

Order Scorpaeniformes.

Order Perciformes.

Order Pleuronectiformes.

Order Tetraodontiformes.

Class Sarcopterygii.

Subclass Coelacanthimorpha.

Order Coelacanthiformes.

Subclass Dipnotetrapodomorpha.

Order Ceratodontiformes.

Unranked Tetrapodomorpha.

Infraclass Tetrapoda.

APPENDIX.

BIBLIOGRAPHY.

INDEX.