Wikipedia
Helveticosaurus
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.