Most of those that have been are included in the following phylogenetic tree.

The phylogenetic tree shown below is based on the results of several studies.

The modern development of this idea is called the phylogenetic tree.

The following phylogenetic tree is based on one that was published in 2008.

No phylogenetic trees are available for this species to date.

The phylogenetic tree below is based on one that was published in 2010.

Further detail on relationships can be seen in the phylogenetic tree below.

The following phylogenetic tree was made by combining parts of three different trees.

Many molecular studies have addressed small parts of the phylogenetic tree.

See phylogenetic tree for more information about tree-generating computer programs.