Below is a cladogram showing the relations of the major groups of diapsids.

Cladogram after Bickelmann et al.,
2009 and Reisz et al.,
2011:
Below is a cladogram showing the relations of the major groups of diapsids.
Cladogram after Bickelmann et al., 2009 and Reisz et al., 2011:
Diapsid