| The proboscis is a synapomorphy of the taxon and is used primarily in prey capture. |
| Each taxon represents a single species, except where the number of taxa is given in parentheses. |
| Afrotheria is a newly recognized taxon comprising elephants, hyraxes, sea cows, aardvarks, golden moles, tenrecs, and elephant shrews. |
| This group is represented by a single extant species which is thought to be the sister taxon to all other frogs. |
| According to our results, Sclerothorax is nested well within the higher stereospondyls, forming the sister taxon of capitosauroids. |
| As with many of the modem Eucopia species, this fossil taxon is characterized by the possession of highly elongate posterior pereiopods. |
