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├─(unranked) [[Gnathostomatomorpha]]
└─'''Infraphylum నేతోస్టొమాటా'''
├─Class [[Placodermi]] - ''extinct'' (armored gnathostomes)
└Microphylum '''[[Eugnathostomata]]''' (true jawed vertebrates)
├─Class [[Chondrichthyes]] (cartilaginous fish)
└─(unranked) [[Teleostomi]] (Acanthodii & Osteichthyes)
├─Class [[Acanthodii]] - ''extinct'' ("spiny sharks")
├Superclass [[Osteichthyes]] (bony fish)
│ ├─Class [[Actinopterygii]] (ray-finned fish)
│ └─Class [[Sarcopterygii]] (lobe-finned fish)
└Superclass [[Tetrapoda]]
├─Class [[ఏంఫీబియా]] ([[Amphibia|amphibians]])
└(unranked) [[Amniota]] (amniotic egg)
├─Class [[Reptile|Sauropsida]] (reptiles or sauropsids)
│ └─Class [[పక్షులు]] (birds)
└─Class [[Synapsida]]
└─Class [[క్షీరదాలు]] (mammals)
Note: lines show evolutionary relationships.
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