affinity
phylogenetic relation

Below is a cladogram from Anderson et al. (2008) showing the phylogenetic relations of Olsoniformes:

Computational phylogenetic methods are used to infer phylogenetic relations.

Below is the cladogram from Buchwitz et al. (2012) showing the phylogenetic relations of chroniosuchids:

Below is a cladogram showing the phylogenetic relations of Fedexia, from Berman et al., 2010:

Below is a cladogram showing the phylogenetic relations of Sanajeh:

Thus, Dilleniaceae may be an ancient clade that expresses some phylogenetic relation between the higher Eudicots and the rather more primitive groups.

There are around 20 distinct families, and a clear phylogenetic relation hasn't been proven, suggesting cultural as much as linguistic diversity that goes back millennia.

If they are the same tooth, then it may suggest a close phylogenetic relation and African origins for the aye-aye.

Below is a cladogram showing the phylogenetic relations of Brevirostres from Brochu (1997):

The clade Eutherocephalia contains the majority of therocephalians, yet the phylogenetic relations of the groups within it remain unclear.