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| 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 | Adds the geological timescale to an phylogeny plot. |
| strap | Stratigraphic Tree Analysis for Palaeontology |
| StratPhyloCongruence | Calculates fit to stratigraphy metrics for a set of tree(s). |