This package implements the functions neeeded to perform PACo (Balbuena
et al. 2013) in R.
Balbuena, Juan Antonio, Raúl Míguez-Lozano, and Isabel Blasco-Costa. “PACo: A Novel Procrustes Application to Cophylogenetic Analysis.” PLoS ONE 8, no. 4 (2013): e61048. doi:10.1371/journal.pone.0061048.
Have a look at the manual, ?PACo has a full example.