Phylogenetic trees are fractal in the sense that the same ... For instance, if you are told that mammals share a more recent common ancestor with lizards than with sharks, and if "mammals" refers ...

They also used age estimates for numerous fossil mammals to calibrate their time tree. "We need to have calibrations to input into the analysis so that we know, for example, that elephants and ...

It is generally accepted that the tree of life for mammals was ... varying hypotheses on the divergent times and phylogenetic relationships of Mammalia and its subgroups (Fig.

To determine where Mixodectes pungens fits on the evolutionary tree, the research team conducted two phylogenetic analyses ... information about how ancient mammals diversified to fill newly ...

But mammals, it seems, don’t tend to have ... “Are these species all found on one part of the mammalian phylogenetic tree? Certainly not,” said Tim Caro, a professor of evolutionary ecology ...

A study explores loss and recovery of mammal phylogenetic diversity (PD) during the current mass extinction. PD, the amount of unique evolutionary history in the tree of life, is considered a ...

Mixodectes was quite large for a tree-dwelling mammal in North America during ... the researchers noted. Two phylogenetic analyses performed to clarify the species' evolutionary relationships ...

By comparing the phylogenetic tree of the genus Near horn beast derived ... is today and did not become a barrier to the movement of mammals.

Relative change in body mass per Myr, indicating increase in body mass in semi-aquatic and fully aquatic mammals: (a) without hyperprior on µ 0; (b) adding hyperprior on µ 0.Colored silhouettes ...

Mixodectes was quite large for a tree-dwelling mammal in North America during the early Paleocene ... the researchers noted. Two phylogenetic analyses performed to clarify the species’ evolutionary ...