Herpetofaunal Groups Total Species in Central America Endemic Species in Central America Relative Endemism in Central America (%) Total Species in North America Endemic Species in North America Relative Endemism in North America (%) Total Species in Mexico Endemic Species in Mexico Relative Endemism in Mexico (%) Anurans 328 192 58.5 104 67 64.4 247 148 60.0 Salamanders 166 143 86.1 191 165 86.4 151 125 82.8 Caecilians 15 7 46.7 — — — 3 1 33.3 Subtotals 509 342 67.2 295 232 78.6 401 274 68.3 Crocodylians 3 — — 2 1 50.0 3 — — Squamates 560 279 49.8 287 117 40.8 863 517 60.0 Turtles 23 2 8.3 66 48 72.7 51 20 39.2 Subtotals 586 281 48.0 355 166 46.8 917 537 58.6 Totals 1,095 623 56.9 650 398 61.2 1,318 811 61.5