[Last Update: June 6th, 2018]
Parent Group
Chordata (“Chordates”)
Sister Groups
Tunicata (“Urochordates”)
Cephalochordata (“Lancelets”)
Daughter Groups
Gnathostomata (“Jawed Fish”)
Agnatha (“Jawless Fish”)
Articles
Evolution: Reptiles to Mammals
The evolutionary transition from synapsid reptiles to mammals.
Convergence or Introgression?
Could the mosaic of characteristics seen in fossil and extant hominids be evidence of past hybridization?
“Through a Glass, Darkly”
Dinosaurian hominids.
Subsections
The Hominid Homepage
For all your filthy monkey-man needs.
Lists
Fossil Hominid Specimens
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Vertebrates
We’re Boned.
Copyright © 2017 by Dustin Jon Scott
[Last Update: June 6th, 2018]
Introduction
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Classes
Class Agnatha (“jawless fish”)
Class Chondrichthyes (“cartilaginous fish”)
Class Osteichthyes (“bony fishes”)
Class Amphibia (“amphibians”)
Class Reptilia (“reptiles”)
Class Aves (“birds”)
Class Mammalia (“mammals”)
Subphylum Vertebrata
Palaeospondylus
Superclass Agnatha or Cephalaspidomorphi (“jawless fish”)
Infraphylum Gnathostomata (“Jawed Fish”)
Class Placodermi (“armored fishes”)
Class Chondrichthyes (“cartilaginous fishes”)
Class Acanthodii (“spiny sharks”)
Superclass Osteichthyes (“bony vertebrates”)
Class Actinopterygii (“ray-finned fish”)
Class Sarcopterygii (“lobe-finned fish”)
Class Amphibia (“amphibians”)
Class Synapsida (“mammals”)
Class Sauropsida (“reptiles”)
Infraphyla
Infraphylum Gnathostomata (“Jawed Fish”)
Class Placodermi (“armored fishes”)
Class Chondrichthyes (“cartilaginous fishes”)
Class Acanthodii (“spiny sharks”)
Superclass Osteichthyes (“bony vertebrates”)
Class Actinopterygii (“ray-finned fish”)
Class Sarcopterygii (“lobe-finned fish”)
Class Amphibia (“amphibians”)
Class Synapsida (“mammals”)
Class Sauropsida (“reptiles”)
Superclasses
Superclass Agnatha or Cephalaspidomorphi (“jawless fish”)
Infraphylum Gnathostomata (“Jawed Fish”)
Class Placodermi (“armored fishes”)
Class Chondrichthyes (“cartilaginous fishes”)
Class Acanthodii (“spiny sharks”)
Superclass Osteichthyes (“bony vertebrates”)
Class Actinopterygii (“ray-finned fish”)
Class Sarcopterygii (“lobe-finned fish”)
Class Amphibia (“amphibians”)
Class Synapsida (“mammals” and their ancestors)
Class Sauropsida (“reptiles”, including birds)
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