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Table 1 Ancestral range reconstruction inferred in BioGeoBEARS for Ethmostigmus and for its PIP clade alone using two methods, dispersal–extinction–cladogenesis (DEC) and dispersal–vicariance analysis (DIVA) with a founder-event speciation (j) parameter

From: Evolutionary biogeography of the centipede genus Ethmostigmus from Peninsular India: testing an ancient vicariance hypothesis for Old World tropical diversity

Models

LogLikelihood

No. of Parameters in model

AIC

AIC weight

Dispersal rate (d)

Extinction rate (e)

Jump dispersal (j-founder-event speciation)

Ethmostigmus

 DEC

−6.51

2

17.02

0.1

1.00E-12

1.00E-12

0

 DEC + J

−6.93

3

19.85

0.035

1.00E-12

1.00E-12

0.033

 DIVALIKE

−5.10

2

14.24

0.58

1.00E-12

1.00E-12

0

 DIVALIKE+J

−5.12

3

16.20

0.21

1.00E-11

1.00E-12

0.008

Ethmostigmus peninsular Indian clade

 DEC

−11.83

2

27.66

0.0041

0.0025

0.0047

0

 DEC + J

−6.17

3

18.34

0.43

1.00E-12

1.00E-12

2.17

 DIVALIKE

−10.43

2

24.85

0.017

0.0018

1.00E-12

0

 DIVALIKE+J

−6.06

3

18.12

0.49

1.00E-12

1.00E-12

1.43

  1. The AIC weights compare pairs of models (e.g. DEC vs. DEC + J). The models marked in bold are discussed in the text and presented in Figs. 2 and 3, respectively