| strap-package | Stratigraphic Tree Analysis for Palaeontology |
| Asaphidae | Phylogeny and age data for the Asaphidae |
| DatePhylo | Calculates branch lengths for a topology |
| Dipnoi | Phylogeny and age data for dipnoans (lungfish) |
| FindDescendants | Finds the tip numbers descending from a specific node in a phylo object. |
| geoscalePhylo | Plots a phylogeny against the geological time scale. |
| strap | Stratigraphic Tree Analysis for Palaeontology |
| StratPhyloCongruence | Calculates fit to stratigraphy metrics for a set of tree(s). |
| UKzones | British regional stages for the Ordovician |