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Table 5 Four models in RPANDA, postulating constant or varying speciation and extinction rates

From: Mid-Cenozoic climate change, extinction, and faunal turnover in Madagascar, and their bearing on the evolution of lemurs

Speciation Rate λ

Extinction Rate μ

AICc

λ1

λ2

μ1

μ2

Constant

Constant

539.30

0.25

 

0.19

 

Time-varying

Constant

540.07

0.23

−0.02

0.09

 

Constant

Time-varying

539.67

0.22

 

0.11

0.02

Time-varying

Time-varying

540.65

0.23

0.08

0.22

0.08