| Helveticosaurus Temporal range: Middle Triassic,
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| Fossil at Paleontology Museum of Zurich | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauromorpha (?) |
| Family: | †Helveticosauridae |
| Genus: | †Helveticosaurus Peyer, 1955 |
| Type species | |
| †Helveticosaurus zollingeri Peyer, 1955 (type)
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Helveticosaurus is an extinct genus of diapsid marine reptile known from the Middle Triassic (Anisian-Ladinian boundary) of southern Switzerland. It contains a single species, Helveticosaurus zollingeri, known from the nearly complete holotype T 4352 collected at Cava Tre Fontane of Monte San Giorgio, an area well known for its rich record of marine life during the Middle Triassic.[1]
- ^ Bernhard Peyer (1955). "Die Triasfauna der Tessiner Kalkalpen. XVIII. Helveticosaurus zollingeri, n.g. n.sp". Schweizerische Paläontologische Abhandlungen. 72: 3–50.