Table 1. Summary of family, genera and species diversity of world’s reptiles.
Group | Number of Families | Number of Genera | Number of Species |
Reptiles | 82 | 1,131 | 9,546 |
Turtles | 14 | 93 | 327 |
Crocodilians | 3 | 9 | 25 |
Tuataras | 1 | 1 | 1 |
Squamata | 64 | 1,028 | 9,193 |
Lizards | 35 | 498 | 5,634 |
Snakes | 23 | 511 | 3,378 |
Amphisbaenians | 6 | 19 | 181 |
For convenience, reptiles in general and Squamata (lizards, snakes and amphisbaenians) lineage richness are shown separately.