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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