Table 1. Systematic classification of the taxa quoted in the text.
Dialipina* is also resolved as a stem osteichthyan in recent phylogenetic studies.
| Systematics | |||
|---|---|---|---|
| Osteichthyes (bony fish and four-limbed animals) | |||
| Stem Osteichthyes | Guiyu | ||
| Actinopterygii (ray-finned fish) |
Stem |
Dialipina* | |
| Meemannia | |||
| Raynerius | |||
| Lingulalepis | |||
| Cheirolepis | |||
| Holostei (gars and bowfin) | Amia (bowfin) | ||
| Teleostei (teleosts) | Danio (zebrafish) | ||
| Sarcopterygii (lobe-finned fish and four-limbed animals) |
Actinistia (coelacanth) | Latimeria (coelacanth) | |
| Dipnoi (lungfish) | Powichthys | ||
| Tetrapodomorpha (four-limbed animals) |
Stem |
Eusthenopteron | |
| Panderichthys | |||
| Tiktaalik | |||
| Ichthyostega | |||
| Amphibia (amphibians) |
Urodela (salamanders, newts) | Ambystoma (mole salamander) | |
| Anura (frogs) | Xenopus (clawed frog) | ||
| Synapsida |
Stem | Dimetrodon | |
| Mammalia (mammals) | Mus (mouse) | ||
| Diapsida |
Stem | Orovenator | |
| Aves (birds) | Gallus (chicken) | ||