Heterosteus ingens, from the Middle Devonian of Estonia. Artwork by Dmitry Bogdanov. Wikipedia, GNU Free Documentation/Creative Commons Attribution license.
| Placodermi | ||
| The Vertebrates | Phlyctaenioidei |
| Vertebrates Home | Vertebrate | Vertebrate |
|
Abbreviated Dendrogram
Gnathostomata
│ └─Acanthodii etc (if traditional placement)
│
└─Placodermi
╞?═Acanthothoraci
├─Rhenanida
└─┬─Antiarchi
└─┬─┬─Petalichthyida
│ └─Ptyctodontida
└─┬─┬─Arthrodira
? ├─Actinolepidoidei
│ └─┬─Phlyctaenioidei
│ └─┬─Brachythoraci
│ └─┬─Coccosteomorphi
│ └─┬─Pachyosteomorphi
│ └─Aspinothoracidi
╘═Acanthodii
├─Chondrichthyes
└─Osteichthyes
|
Contents
Overview |
Heterosteus ingens, from the Middle Devonian of Estonia. Artwork by Dmitry Bogdanov. Wikipedia, GNU Free Documentation/Creative Commons Attribution license. |
Arthrodira: Actinolepidoidei + *.
checked ATW0151003; new page MAK111024