Tetrápodos
The compleat cladist. A primer of phylogenetic procedures.1991
E.Wiley, D.Siegel-Causey, D.Brooks y V.Funk
Museum of Natural History, University of Kansas. pág.101
| Carácter | A | B | C | D | E | F | G | H | I | J | K |
| Taxón | |||||||||||
| Lissamphibia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mammalia | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Chelonia | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Lepidosauria | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
| Crocodylia | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 |
| Aves | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |
