Table 1 Key results of divergence dating analyses

Root age

124.8 [84.1–177.1]

121.5 [89.3–160.3]

128.0 [85.7–182.1]

Bufonidae

94.9 [64.6–129.8]

93.5 [73.0–114.0]

100.3 [70.1–133.1]

Origin Amietophrynus

37.6 [25.6–51.5]

36.5 [28.1–45.5]

37.2 [27.1–50.4]

TMRCA A. arabicus

21.2 [14.2–29.2]

20.5 [15.1–26.3]

20.7 [14.8–29.2]

TMRCA A. tihamicus

17.9 [9.0–26.6]

16.8 [9.3–25.4]

17.0 [9.3–25.9]

Origin Duttaphrynus

29.3 [19.3–40.5]

27.8 [20.9–35.1]

29.2 [20.4–40.0]

TMRCA D. dhufarensis

13.5 [7.9–20.9]

12.9 [8.2–18.6]

13.5 [8.4–20.1]