|
tunicates, sea squirts |
|
Phylum ChordataSubphylum Urochordata |
| |
|
lancelets |
|
Phylum ChordataSubphylum Cephalochordata |
| |
|
vertebrates |
|
Phylum ChordataSubphylum Vertebrata |
| |
|
hagfish |
|
Phylum ChordataSubphylum Vertebrata [Superclass Agnatha]Class Myxini |
| |
|
lampreys |
|
Phylum ChordataSubphylum Vertebrata[Superclass Agnatha]Class Cephalaspidomorphi |
| |
|
sharks, skates, rays |
|
Phylum ChordataSubphylum VertebrataClass Chondrichthyes |
| |
|
ray-finned fishes |
|
Phylum ChordataSubphylum VertebrataClass Actinopterygii |
| |
|
lobe-finned fishes |
|
Phylum ChordataSubphylum VertebrataClass Sarcopterygii |
| |
|
amphibians |
|
Phylum ChordataSubphylum VertebrataClass Amphibia |
| |
|
frogs, toads |
|
Phylum ChordataSubphylum VertebrataClass AmphibiaOrder Anura |
| |
|
salamanders |
|
Phylum ChordataSubphylum VertebrataClass AmphibiaOrder Urodela |
| |
|
mammals (monotremes, marsupials, eutherians, or therians) |
|
Phylum ChordataSubphylum VertebrataClass Mammalia |
| |
|
caecilians |
|
Phylum ChordataSubphylum VertebrataClass AmphibiaOrder Apoda |
| |
|
reptiles |
|
Phylum ChordataSubphylum VertebrataClass Reptilia |
| |
|
turtles, tortoises |
|
Phylum ChordataSubphylum VertebrataClass ReptiliaOrder Chelonia |
| |
|
tuataras |
|
Phylum ChordataSubphylum VertebrataClass ReptiliaOrder Rhynchocephalia |
| |
|
lizards, snakes |
|
Phylum ChordataSubphylum VertebrataClass ReptiliaOrder Squamata |
| |
|
crocodiles, alligators, caimans, gavials |
|
Phylum ChordataSubphylum VertebrataClass ReptiliaOrder Crocodilia |
| |
|
birds |
|
Phylum ChordataSubphylum VertebrataClass Aves |
| |
