strap is an R package designed to perform stratigraphic analysis of phylogenies, including basic time-scaling, visualisation of time-scaled trees, and applying stratigraphic congruence metrics.

You can install strap in R via CRAN with:

install.packages("strap", dependencies = TRUE)

Or from github with:

devtools::install_github("graemetlloyd/strap")

And load it into memory using:

library(strap)

Basic help can be found with:

?strap

And clicking on the Index link at the base of the help file will reveal links to every available function.

Citation

Bell, M. A. and Lloyd, G. T., 2015. strap: an R package for plotting phylogenies against stratigraphy and assessing their stratigraphic congruence. Palaeontology, 58, 379-389.