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Table 5 Testing models of diversification in Harpalinae and Brachininae.

From: Phylogenetic diversification patterns and divergence times in ground beetles (Coleoptera: Carabidae: Harpalinae)

Clade

Pure Birth

lnL (AIC)

Birth Death

lnL (AIC)

SPVAR

lnL (AIC)

EXVAR

lnL (AIC)

yule2rate

lnL (AIC)

yule3rate

lnL (AIC)

γ statistic

Harpalinae

-65.18 (132.36)

-65.18 (134.36)

-14.73 (35.46)

-66.43 (138.87)

-12.73 (31.45)a

6.30 (-2.60) b

-10.606

Brachininae

-26.21 (54.42)

-26.21 (56.42)

-26.10 (58.19)

-26.23 (58.46)

--25.06 (56.12)c

-23.28 (56.55)d

0.611

Entire Tree

-67.78 (139.56)

-67.78 (139.56)

-50.98 (107.97)

-69.06 (144.13)

-26.44 (58.87)e

-11.44 (32.88) f

 
  1. Pure Birth assumes a pure birth or Yule model of diversification, Birth Death assumes a constant birth death model of diversification, SPVAR specifies a variable speciation rate and constant extinction rate, EXVAR specifies a variable extinction rate and constant speciation rate, yule2rate assumes an abrupt change in diversification rate at some breakpoint in the past, yule3rate assumes three different diversification rates with two breakpoints in the past.
  2. a breakpoint at 40.25 My ago
  3. b breakpoints at 11.78 and 41.34 My ago
  4. c breakpoint at 59.01 My ago
  5. d breakpoints at 17.22 and 18.76 My ago
  6. e breakpoint at 33.39 My ago
  7. f breakpoints at 11.07 and 40.05 My ago