Ankyramorpha is a proposed clade of early stem reptiles which lived between the early Cisuralian epoch and the latest Triassic period of Africa, Antarctica, Asia, Australia, Europe, North America and
Parareptilia is an extinct subclass of basal sauropsids. Traditionally considered the sister taxon to Eureptilia, its validity as a monophyletic clade has been disputed by modern cladistic analyses.
Ankyramorpha
…The following cladogram is simplified after the phylogenetic analysis of MacDougall and Reisz (2014) and shows the placement of Ankyramorpha within Parareptilia. Relationships within emboldened terminal clades are not shown. Some studies from the early 2020s onward, have disputed the validity of Ankyramorpha…
Skeleton of Kapes bentoni, a procolophonid from the Middle Triassic of England