Reiszerpeton
This was confirmed by a phylogenetic analysis , which placed it as the sister taxon to the Eucacopinae ( "Cacops" + "Zygosaurus" + "Kamacops" ) . 
<triplet> Cacops <subj> Eucacopinae <obj> parent taxon <triplet> Zygosaurus <subj> Eucacopinae <obj> parent taxon <triplet> Kamacops <subj> Eucacopinae <obj> parent taxon