Full reference: O. Rieppel. 1989. Helveticosaurus zollingeri Peyer (Reptilia, Diapsida) skeletal paedomorphosis, functional anatomy and systematic affinities. Palaeontographica Abteilung A 208:123-152
Parent taxon: Archosauromorpha according to O. Rieppel 1989
Sister taxa: Aenigmastropheus, Arctosaurus, Chasmatosuchus vjushkovi, Crocopoda, Czatkowiella, Elessaurus, Exilisuchus, Exilisuchus tubercularis, Gwyneddosaurus, Jesairosaurus, Mecistotrachelos, Megalancosauridae, Ocolurtaia, Ocolurtaia arquata, Prolacertiformes, Protorosauria, Protorosaurus, Rhabdopelix longispinis, Tanystropheidae, Teraterpetidae, Teyujagua, Trilophosauridae
Subtaxa: Helveticosauridae
Ecology:
Distribution:
• Triassic of Italy (2 collections), the Netherlands (2), Switzerland (2)
Total: 6 collections each including a single occurrence