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The evolution of tinamous (1 Viewer)

Fred Ruhe

Well-known member
Netherlands
Francisca C. Almeida, Ana L. Porzecanski, Jpel Cracraft & Sara Bertelli, 2021

The evolution of tinamous (Palaeognathae: Tinamidae) in light of molecular and combined analyses

Zoological Journal of the Linnean Society, zlab080, https://doi.org/10.1093/zoolinnean/zlab080

Abstract​

The Neotropical tinamous are of particular interest in our efforts to understand the evolution of modern birds. They inhabit both forested and open environments and, although volant, have limited flight capabilities. Numerous studies have recognized the monophyly of tinamous and their relationships either as sister to the flightless ratites (ostriches, emus and their relatives) or within the ratites themselves. Despite the numerous bird phylogenies published recently, modern investigations of relationships within the tinamous themselves have been limited. Here, we present the first detailed phylogenetic analysis and divergence-date estimation including a significant number of tinamou species, both extant and fossil. The monophyly of most currently recognized polytypic genera is recovered with high support, with the exception of the paraphyletic Nothura and Nothoprocta. The traditional subdivision between those tinamous inhabiting open areas (Nothurinae) and forest environments (Tinaminae) is also confirmed. A temporal calibration of the resultant phylogeny estimates that the basal divergence of crown Tinamidae took place between 31 and 40 Mya.

Enjoy,

Fred
 
Francisca C. Almeida, Ana L. Porzecanski, Jpel Cracraft & Sara Bertelli, 2021

The evolution of tinamous (Palaeognathae: Tinamidae) in light of molecular and combined analyses

Zoological Journal of the Linnean Society, zlab080, https://doi.org/10.1093/zoolinnean/zlab080

Abstract​

The Neotropical tinamous are of particular interest in our efforts to understand the evolution of modern birds. They inhabit both forested and open environments and, although volant, have limited flight capabilities. Numerous studies have recognized the monophyly of tinamous and their relationships either as sister to the flightless ratites (ostriches, emus and their relatives) or within the ratites themselves. Despite the numerous bird phylogenies published recently, modern investigations of relationships within the tinamous themselves have been limited. Here, we present the first detailed phylogenetic analysis and divergence-date estimation including a significant number of tinamou species, both extant and fossil. The monophyly of most currently recognized polytypic genera is recovered with high support, with the exception of the paraphyletic Nothura and Nothoprocta. The traditional subdivision between those tinamous inhabiting open areas (Nothurinae) and forest environments (Tinaminae) is also confirmed. A temporal calibration of the resultant phylogeny estimates that the basal divergence of crown Tinamidae took place between 31 and 40 Mya.

Enjoy,

Fred
I'm very very very interested
 
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